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{{Short description|Science fantasy novel series}}
{{Italic title}}<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{Italic title}}
{{About|the book series based on the fictional event of the "Warhammer&nbsp;40,000" universe|other related literature|Horus Heresy#Literature{{!}}§&nbsp;Literature (in Horus Heresy)}}
{{Infobox book series

| name = ''The Horus Heresy''
{{infobox<!-- Based on ] -->
| author = Various
|titlestyle=font-style:italic
| illustrator = Various ]
|title=Horus Heresy
| cover_artist = {{unbulleted list|Neil Roberts|Philip Sibbering}}
|labelstyle=white-space:nowrap
| country = United Kingdom
|datastyle=text-align:left
| language = English
|label1=Authors
| genre = ]
|data1=Various ]
| publisher = ]
|label2=Illustrators
| pub_date = {{start date|2006}}–2024
|data2=Various ]
| number_of_books = 64
|label3=Cover artists
| website = https://www.blacklibrary.com/the-horus-heresy
|data3={{ubl|Neil Roberts|Philip Sibbering}}
|label4=Country
|data4=]
|label5=Language
|data5=]
|label6=]
|data6=]
|label7=]
|data7=]
|label8=Published
|data8={{start date|2006}}–{{as of|2013|alt=2013&nbsp;(ongoing)}}{{Update after|2013|12|31}}
|label9=Media types
|data9={{ubl|li_style=white-space:nowrap|Audio (] ])|Digital (e&#8209;audiobook, ])|Print (], ])}}
|label10=No. of books
|data10=25 ]
|label11=Length/size
|data11={{ubl|li_style=white-space:nowrap|168 hrs. (] edition)|10 ]{{spnd}} 11 ] (]-dependent)|10,600 pp. (1st paperback edition)}}
|label12=Series ISBN
|data12={{ubl|None|&#91;]: {{ISBNT|978-1-84416-294-9}}]}}
|label13=Website
|data13={{scp|1=http://www.thehorusheresy.com|2=www.thehorusheresy.com}}
|belowstyle=border-top:1px solid gray;text-align:left
|below='''Notes'''<div style="line-height:1.2em">Published in additional countries and languages. Length/size values are approximate. See §&nbsp;].</div>
}} }}


The '''''Horus Heresy''''' book series is an {{As of|2013|alt=ongoing}}{{Update after|2013|12|31|reason=ongoing?}}&nbsp;] of ] books that contain stories by ]; the books include ]s and novel-length compilations of ]s or ]. The series subject matter is the ], a galaxy-spanning civil war occurring 10,000&nbsp;years prior to the ] ] of ]'s '']'' tabletop ]. The war is described as a major contributing factor to the game's ] environment. '''''The Horus Heresy''''' is a ] of ] novels set in the fictional '']'' ] of tabletop ] company ]. Penned by several authors, the series takes place during the Horus Heresy, a fictional galaxy-spanning civil war occurring in the 31st millennium, 10,000&nbsp;years before the main setting of Warhammer 40,000. The war is described as a major contributing factor to the game's ]n environment.


The books are published in ] by the ], a Games Workshop division, with the first title released in April&nbsp;2006; {{As of|2013|04|lc=y}} the work consisted of 25&nbsp;], with more in the ]. The books were published in ] by the ], a Games Workshop division, with the first title released in April 2006. The series consists of 64 ]; the concluding story, ''The End and the Death'', was released in three volumes, with the concluding volume of the series,<ref>{{Cite web |date=2024-01-08 |title=GW announces the actual final Horus Heresy book, for real |url=https://www.wargamer.com/warhammer-40k/final-horus-heresy-book |access-date=2024-01-31 |website=Wargamer |language=en-US}}</ref> ''The End and the Death: Volume III'', being released in January 2024.


The series has developed into a distinct and successful ] for the Black Library; titles ] in ] lists, and overall the work has received ]. It is an established, definitive component of Game Workshop's ''Horus Heresy'' ], and authoritative source material for the entire Warhammer&nbsp;{{sic|hide=y|nolink=y|40,000|expected=40000 (])}} ] and its continuing development. The series has developed into a distinct and successful product line for the Black Library; titles have often appeared in ] lists, and overall the work has received critical approval despite reservations. It is an established, definitive component of Games Workshop's ''Horus Heresy'' ], and authoritative source material for the entire Warhammer&nbsp;{{sic|hide=y|nolink=y|40,000|expected=40000 (])}} ] and its continuing development.


==Overview== == Overview ==
''The Horus Heresy'' is a dark, far future ]<ref name="Gronli2008">{{cite web|url=http://www.technologytell.com/gaming/40637/horus-heresy-novel-series-wrapup/|title=Horus Heresy novel series wrapup|author=Gronli|first=Jonathan|date=November 20, 2008|website=Technology Tell|url-status=dead|archive-url=https://web.archive.org/web/20160507123340/http://www.technologytell.com/gaming/40637/horus-heresy-novel-series-wrapup/|archive-date=May 7, 2016|access-date=May 19, 2013}}</ref> concerning a galactic civil war within the nascent ], and which constitutes a cornerstone event of the ]n ] ''Warhammer&nbsp;40,000'' universe. The Horus Heresy is presented as a major chapter of conflict in the ''Warhammer 40,000'' lore: it is caused by a Chaos plot to foil the Imperium's leader and founder, the mysterious Emperor of Man, by fomenting rebellion and internecine warfare in the expanding Imperium of Man. The story focuses on the Emperor's 18 genetically engineered sons, the Primarchs, and the legions of genetically enhanced superhuman soldiers that they lead, the ], which find themselves divided into loyalist and traitor factions as they struggle for religious hegemony.<ref name="Merrett2007">{{harvnb|Merrett|2007}}.</ref>
===Background and environment===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The series is a dark, ] ] with a main ] of hundreds. Its foundation is the ], a cornerstone event of the ] ] Warhammer&nbsp;40,000 universe. The ] was originally created in&nbsp;1987 by ], parent company of series publisher ], as the ] for the '']'' tabletop ].{{r|dark-origin}} The Horus Heresy was introduced to the setting soon after, as a short but all-encompassing conflict; it is a galaxy-wide civil war named after ] of the initiating faction. The war takes place 10,000&nbsp;years in the past of the fictional universe; it devastates and redefines the ], the universe's then–nascent ].{{r|background}}


The series takes full advantage of the underlying universe's wide scope, vast scale, and extreme time frames.{{r|universe}} However it has developed a unique identity and ], attributed to the concept's distinct subject matter.{{r|identity}} It expands previous material{{r|audience-pov}} over a {{As of|2013|alt=growing number}}{{Update after|2013|12|31|reason=growing?}} of ] published in a ]. The titles consist of full-length novels, and novel-length ] of ] or ], written by ]. The work is mainly responsible for refashioning the conflict into the ] of the Warhammer&nbsp;40,000 ], abolishing the Heresy's previous status as the universe's roughly-sketched mythology.{{r|history}} The ] was originally created in 1987 by ], parent company of series publisher ], as the ] for the '']'' tabletop ]<ref name="McNish2011">{{cite web | url=https://www.theguardian.com/childrens-books-site/2011/may/19/cliff-mcnish-top-10?CMP=twt_gu | title=Cliff McNish's top 10 most frightening books for teenagers | work=The Guardian | date=May 19, 2011 | access-date=May 19, 2013 | author=McNish, Cliff | archive-date=August 21, 2011 | archive-url=https://web.archive.org/web/20110821135140/http://www.guardian.co.uk/childrens-books-site/2011/may/19/cliff-mcnish-top-10?CMP=twt_gu | url-status=live }}</ref> and in 2006 ] began publishing ''The Horus Heresy'' series. The series consists of full-length novels, and novel-length ] of ] or ], written by ]. The series includes new characters as well as establishing the background of previously established ''Warhammer 40,000'' characters who play an important role in the post-Heresy fictional universe.


The first three novels in ''The Horus Heresy'' are an ]. This trilogy presents some of the background and causes of the Heresy, and describes the start of the conflict. The ]'s focus is on ], the principal ], and covers about two years in the overall Heresy timeline; most of this period elapses before the rebellion begins. Following the trilogy, the narrative is not strictly sequential and is often presented in ] from book to book.<ref name="blogcritics">{{cite web | url=http://blogcritics.org/book-review-descent-of-angels-the/ | title=Book Review: Descent of Angels (The Horus Heresy, Book 6) by Mitchel Scanlon | publisher=] | date=6 September 2009 | access-date=14 January 2016 | author=Wolff, Karl | archive-date=26 October 2014 | archive-url=https://web.archive.org/web/20141026202502/http://blogcritics.org/book-review-descent-of-angels-the/ | url-status=live }}</ref> Apart from the initial trilogy, the stories often concern events that happen earlier or later than their position in the series would suggest, or may include time periods already covered in other series titles.
===Premise===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The ] shares with other Black Library and Games Workshop material an underlying philosophical ] often encountered in the ], namely the postulated interplay of primordial opposites {{em|Order}} and {{em|Chaos}}.{{r|order-chaos}} They are principally represented in the storyline by the ] and the ] respectively. The Horus Heresy is presented as a major chapter of their conflict: it is caused by a Chaos plot to foil the Emperor by fomenting rebellion and internecine warfare in the ].{{r|premise}} The series attempts a posture of disinterested observer, while describing the extremes of setting, characters, and actions with ] ].{{r|realism}}


The majority of stories in ''The Horus Heresy'' are set around the start of the fictional universe's 31st&nbsp;millennium, in contrast to most ''Warhammer 40,000'' material, which takes place in the 41st millennium.<ref name="6th edition">{{cite book | title=Warhammer 40,000 Rulebook | edition=6th | last1=Troke | first1=Adam | last2=Vetock | first2=Jeremy | last3=Ward | first3=Mat | publisher=] | year=2012 | location=Nottingham | isbn=978-1-907964-79-4}}</ref> The stories in ''The Horus Heresy'' routinely cover the conflict's background, with some going back centuries before the war (and the 31st&nbsp;millennium) begins. In narrower scope, the entire conflict (including the Heresy proper and its proximate formative period), is depicted as having lasted for seven years.<ref>Back cover blurb of ''The Solar War'' by John French, Book I of ''The Horus Heresy: Siege of Terra''</ref> With few exceptions, the sequence and dating of Heresy events is implied rather than stated in ''The Horus Heresy'' stories.
===Character-driven storyline===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
Overall, the series storyline is ]- rather than event-driven.{{r|char-drive}} The stories employ classic themes of ambition, secrecy, intrigue, ], duty, and betrayal as they describe the motives and actions of the ]s, many of whom are literally ]. In multiple ]s, the stories attempt to make sense of a multitude of interconnected persons and events that take place across great expanses of time and space.{{r|bookmatter}}


== Titles ==
In keeping with the character-based narrative, information about the bigger picture of the Heresy and its underlying premise is usually, though not exclusively, conveyed through characters' actions and thoughts; they are hampered by hidden motivations, shadowy or unknown opponents, incomplete knowledge, and their ]s.{{r|char-traits}} {{As of|2012|12|alt=As of ] (originally published December&nbsp;2012)}}&nbsp;] continued to be introduced; they included new actors as well as others previously depicted in non-series Horus Heresy works. The book series however establishes ], and aspects of characters' future history, as several are also major players in the post-Heresy fictional universe.{{r|char-history}}
The following lists pertain to regular or general-availability ] ]. For ] and other editions, and additional information, see §&nbsp;].


===Nonlinear narrative===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The novelisation of the Horus Heresy begins with an ]; following the trilogy, the narrative is not strictly sequential and may be presented in ] from book to book.{{r|nonlinear}} The stories may concern events that happen earlier or later than their position in the series would suggest, or may include time periods already covered in other series titles. In the latter case of horizontal expansions, the revisited time periods may pertain to original events, or to already-covered events viewed from a different perspective.

Most stories are written as ].{{r|narrative-pov}} Several include discrete ]s; stories may also derive from, or center, on pre-Heresy events, and may take place (partly or entirely) before the conflict begins.{{r|subplot}} The protagonists' limited perspective, the wide scope of the storyline, and the nonlinear story telling, have resulted in gaps within the published narrative, presumably to be filled in as the series continues.{{r|audience-pov}}

===Timelines===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The majority of series stories are set around the start of the fictional universe's 31st&nbsp;millennium (or {{dfn|style=font-style:italic;|1=M31|2=31st&nbsp;millennium, in the Warhammer&nbsp;40,000 dating system}}{{r|dating}}), in contrast to the {{circa|lk=yes}}&nbsp;41000 ("{{abbr|M41|41st&nbsp;millennium|u}}") time frame employed by most Warhammer&nbsp;40,000 material. The series stories routinely cover the conflict's background, with some going back centuries before the war (and the 31st&nbsp;millennium) begins. In narrower scope, the entire conflict (including the Heresy proper and its proximate formative period), is depicted as having lasted less than a decade. With few exceptions, the sequence and dating of Heresy events is implied rather than stated in series stories; is indicated in other sources; or is unclear. {{As of|2013|04}}{{Update after|2013|12|31|reason=official timeline?}} there had been no complete, officially published Horus Heresy timeline.{{r|timeline}}

{{anchor|trilogy}}The first title in the series, originally published April&nbsp;2006, is ] by ]. It is also the first part in the opening trilogy of novels, a ] completed with ] by Ben Counter, published October&nbsp;2006. The trilogy presents some of the background and causes of the Heresy, and describes the start of the conflict. The arc's focus is on ], the principal ], and covers about two years in the overall Heresy timeline; most of this period elapses before the rebellion begins. The series includes additional story arcs, while stories in compilation volumes act as ]s or ]s to several of its full-length novels.{{r|pre-seq}}

{{As of|2013}}, the Black Library was keeping to a steady stream of series releases, offering several new titles per year; {{As of|2012|12|alt=by the time ] was published,}} the titles' many narrative threads occupied more than 10,600&nbsp;pages.{{r|b-physical}} Because of lateral and pre-Heresy expansions in addition to other nonlinear elements, the included stories had only laid out background, and preliminary stages of the conflict. Consequently, the main thrust of the narrative was at about the half-way point of the Heresy's nominal ten&#8209;year duration.{{r|audience-pov}}

===Positioning===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
While earlier Horus Heresy products were marketed as game-related ]s, the series like other Black Library publications is also ] as freestanding ]. It has become the publisher's ], and a definitive ] element for the Horus Heresy and other aspects of the Warhammer&nbsp;40,000 universe. It remains one of the latter's authoritative ] sources, and is considered a major factor in the transformation of the Horus Heresy and the ancillary environment into ] concepts and products.

Following industry practice, ]ing of the series includes distinct ] features, see in §&nbsp;]; the same or similar design elements may also be present in other products of the ''Horus Heresy'' sub-brand.{{r|background|position}}

==={{anchor|creators}}Creators and books<!-- Section linked from within this article -->===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The increasing, {{as of|2013|04|alt=as of ] (April&nbsp;2013)}}, number of authors and other ] includes veterans of the genre, and specifically of Warhammer&nbsp;40,000-related material.{{r|authors}} Many of the creators have been regular Black Library or Games Workshop associates, and some have been involved in the Heresy concept since its creation. As is the case with other Horus Heresy and Warhammer&nbsp;40,000 literature, the authors draw on diverse ] and histories, and frequently ] to fictional works or historical fact in their choices of character names, ]s, and actions.{{r|allusion}} Despite the large number of authors and titles the series is considered to have generally maintained cohesion and ].{{r|cohesion|b17-con}} The series creators, including Games Workshop or Black Library ] staff, reputedly collaborate on its development; the work frequently negotiates the specifications and boundaries of the underlying branded universe, which had already undergone a 19&#8209;year development of its own by the time the first title in the series was published.{{r|development}}

Like other Black Library titles, the books' ] includes one of several unsigned short "stock" ]s that provide a very general background to the stories that follow. In addition, each full-length novel and compilation novella includes a listing of major characters, while reprints or editions of some titles have included a broad Warhammer&nbsp;40,000 ] in ].{{r|bookmatter}}

The series{{'}} distinctive book design, reproduced across different media releases, features consistent layout, ]s, and colour schemes. Also, front covers with original, ] edge-to-edge full-colour ]. A title box superimposed on the art contains the author's name (except in compilation volumes), book title in ], and subtitle (or compilation editors' names); the words "The Horus Heresy" appear above the box. As a rule, the books include additional ], typically (though not exclusively) another rendition of the cover.{{r|art}}

The titles' audio editions are ] by a variety of professional actors.

==Contributors<!-- Section linked from within this article -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
Contributors in the series include artists, audiobook narrators, and compilation or abridgement editors. Each may have contributed in stories that utilise different forms; where applicable, the number of (multiple) contributions per form{{spnd}} or other pertinent information{{spnd}} is indicated in parentheses.{{r|lst-note1|lst-note2}}

'''Artists'''

* Karl Richardson{{spnd}} Internal illustrations (])
* Neil Roberts{{spnd}} Cover art, front matter illustration; main series artist (all titles except where ] otherwise)
* Philip Sibbering{{spnd}} Cover art, front matter illustration
* Adrian Wood{{spnd}} Front matter map

'''Audiobook narrators'''

* ]{{spnd}} ] novel&nbsp;(4), novella&nbsp;(2), short story&nbsp;(4)
* ]{{spnd}} Novella
* Martyn Ellis{{spnd}} Abridged&nbsp;(3) and unabridged&nbsp;(1) novel, short story&nbsp;(3)
* Jonathan Keeble{{spnd}} Unabridged novel&nbsp;(3), novella, short story&nbsp;(6)
* David Timpson{{spnd}} Unabridged novel&nbsp;(2), novella, short story&nbsp;(3)

'''Editors'''

* Christian Dunn{{spnd}} Novel abridgement&nbsp;(3); mixed-form compilation, novella compilation, short story compilation
* ]{{spnd}} Mixed-form compilation
* Nick Kyme{{spnd}} Mixed-form compilation, short story compilation
* Lindsey Priestley{{spnd}} Short story compilation

==Titles<!-- Section linked from within this article -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
The following lists pertain to regular or general-availability ] ].{{r|lst-note1}} For ] and other editions, and additional information, see §&nbsp;].

===Published<!-- Section linked from ] -->===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{| class="wikitable sortable" {| class="wikitable sortable"
|-
! scope="col" style="background-color: silver"|Book !! scope="col" style="background-color: silver"|Title !! scope="col" style="background-color: silver"|Author !! scope="col" class="unsortable" style="background-color: silver"|Release date{{r|rls-info}} !! scope="col" style="background-color: silver"|Length{{r|b-physical}} !! scope="col" class="unsortable" style="background-color: silver"|Note{{r|ref-cmnt}}
! Book !! Title !! Author !! Release date !! Length
|- |-
{{Book list {{Book list
|book_number=1|title=]|alt_title=''The seeds of Heresy are sown''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{ubl|li_style=text-align:center|April 2006 (paperback)|November 2010 (e-book)|January 2011 (audiobook)}}|aux1={{nowrap|412 pp.}}|aux2={{r|b1}}|line_color=novel}} |book_number=1|title='']''|alt_title=''The seeds of heresy are sown''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|April 2006 (paperback) {{ISBNT|978-1-84416-294-9}}|November 2010 (e-book)|January 2011 (audiobook) {{ISBNT|978-1-84970-016-0}}}}|aux1={{nowrap|412 pp.}}|line_color=novel}}
{{Book list {{Book list
|book_number=2|title=]|alt_title=''The Heresy takes root''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center|June 2006 (paperback)|December 2010 (e-book)|July 2011 (audiobook)}}|aux1=406 pp.|aux2={{r|b2}}|line_color=novel}} |book_number=2|title='']''|alt_title=''The heresy takes root''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|June 2006 (paperback) {{ISBNT|978-1-84416-370-0}}|December 2010 (e-book)|July 2011 (audiobook)}}|aux1=406 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=3|title=]|alt_title=''The Heresy revealed''|author={{sortname|Ben|Counter|nolink=1}}|publish_date={{ubl|li_style=text-align:center|October 2006 (paperback)|December 2010 (e-book)|January 2012 (audiobook)}}|aux1=407 pp.|aux2={{r|b3}}|line_color=novel}} |book_number=3|title='']''|alt_title=''The heresy revealed''|author={{sortname|Ben|Counter|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2006 (paperback) {{ISBNT|978-1-84416-393-9}}|December 2010 (e-book)|January 2012 (audiobook)}}|aux1=407 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=4|title={{nowrap|]}}|alt_title=''The Heresy unfolds''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{ubl|li_style=text-align:center|March 2007 (paperback)|December 2010 (e-book)|December 2012 (audiobook)}}|aux1=407 pp.|aux2={{r|b4}}|line_color=novel}} |book_number=4|title={{nowrap|'']''}}|alt_title=''The heresy unfolds''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|March 2007 (paperback) {{ISBNT|978-1-84416-459-2}}|December 2010 (e-book)|December 2012 (audiobook)}}|aux1=407 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=5|title=]|alt_title=''Visions of treachery''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center|July 2007 (paperback)|December 2010 (e-book)|April 2013 (audiobook)}}|aux1=510 pp.|aux2={{r|b5}}|line_color=novel}} |book_number=5|title='']''|alt_title=''Visions of Treachery''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|July 2007 (paperback) {{ISBNT|978-1-84416-476-9}}|December 2010 (e-book)|April 2013 (audiobook)}}|aux1=510 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=6|title=]|alt_title=''Loyalty and honour''|author={{sortname|Mitchel|Scanlon|nolink=1}}|publish_date={{ubl|li_style=text-align:center|October 2007 (paperback)|December 2010 (e-book)}}|aux1=413 pp.|aux2={{r|b6}}|line_color=novel}} |book_number=6|title='']''|alt_title=''Loyalty and honour''|author={{sortname|Mitchel|Scanlon|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2007 (paperback) {{ISBNT|978-1-84416-508-7}}|December 2010 (e-book)|May 2013 (audiobook)}}|aux1=413 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=7|title=]|alt_title=''Secrets and lies''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{ubl|li_style=text-align:center|March 2008 (paperback)|December 2010 (e-book)}}|aux1=412 pp.|aux2={{r|b7}}|line_color=novel}} |book_number=7|title='']''|alt_title=''Secrets and lies''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|March 2008 (paperback) {{ISBNT|978-1-84416-536-0}}|December 2010 (e-book)|February 2014 (audiobook)}}|aux1=412 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=8|title=]|alt_title=''My brother, my enemy''|author={{sortname|Ben|Counter|nolink=1}}|publish_date={{ubl|li_style=text-align:center|August 2008 (paperback)|December 2010 (e-book)}}|aux1=411 pp.|aux2={{r|b8}}|line_color=novel}} |book_number=8|title='']''|alt_title=''My brother, my enemy''|author={{sortname|Ben|Counter|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2008 (paperback) {{ISBNT|978-1-84416-657-2}}|December 2010 (e-book)}}|aux1=411 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=9|title=]|alt_title=''War comes to Mars''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center|December 2008 (paperback)|December 2010 (e-book)}}|aux1=415 pp.|aux2={{r|b9}}|line_color=novel}} |book_number=9|title='']''|alt_title=''Knowledge is power''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2008 (paperback) {{ISBNT|978-1-84416-664-0}}|December 2010 (e-book)}}|aux1=415 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=10|title=]|alt_title={{interp|Short story compilation}}|author={{nowrap|{{sortname|Nick|Kyme and Lindsey Priestley||Kyme, Nick|nolink=1}} (editors)}}|publish_date={{ubl|li_style=text-align:center|April 2009 (paperback)|December 2010 (e-book)}}|aux1=412 pp.|aux2={{r|b10}}|line_color=novel}} |book_number=10|title='']''|alt_title={{interp|Short story compilation}}|author={{nowrap|{{sortname|Nick|Kyme and Lindsey Priestley||Kyme, Nick|nolink=1}} (editors)}}|publish_date={{unbulleted list|item_style=text-align:center|April 2009 (paperback) {{ISBNT|978-1-84416-683-1}}|December 2010 (e-book)}}|aux1=412 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=11|title=]|alt_title=''Deceit and betrayal''|author={{sortname|Mike|Lee|nolink=1}}|publish_date={{ubl|li_style=text-align:center|July 2009 (paperback)|December 2010 (e-book)}}|aux1=412 pp.|aux2={{r|b11}}|line_color=novel}} |book_number=11|title='']''|alt_title=''Deceit and betrayal''|author={{sortname|Mike|Lee|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|July 2009 (paperback) {{ISBNT|978-1-84416-729-6}}|December 2010 (e-book)|July 2013 (audiobook)}}|aux1=412 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=12|title=]|alt_title=''All is dust...''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center|March 2010 (paperback)|November 2010 (audiobook, e-book)}}|aux1=558 pp.|aux2={{r|b12}}|line_color=novel}} |book_number=12|title='']''|alt_title=''All is dust...''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|March 2010 (paperback) {{ISBNT|978-1-84416-809-5}}|November 2010 (audiobook, e-book)}}|aux1=558 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=13|title=]|alt_title=''War within the shadows''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{ubl|li_style=text-align:center|August 2010 (paperback)|December 2010 (e-book)}}|aux1=507 pp.|aux2={{r|b13}}|line_color=novel}} |book_number=13|title='']''|alt_title=''War within the shadows''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2010 (paperback) {{ISBNT|978-1-84416-869-9}}|December 2010 (e-book)}}|aux1=507 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=14|title=]|alt_title=''Fall to Chaos''|author={{sortname|Aaron|Dembski-Bowden|nolink=1}}|publish_date={{ubl|li_style=text-align:center|November 2010 (e-book, paperback)}}|aux1=502 pp.|aux2={{r|b14}}|line_color=novel}} |book_number=14|title='']''|alt_title=''Fall to Chaos''|author={{sortname|Aaron|Dembski-Bowden|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|November 2010 (e-book, paperback {{ISBNT|978-1-84416-885-9}})}}|aux1=502 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=15|title=]|alt_title=''The Wolves unleashed''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{ubl|li_style=text-align:center|December 2010 (audiobook, e-book)|January 2011 (paperback)}}|aux1=444 pp.|aux2={{r|b15}}|line_color=novel}} |book_number=15|title='']''|alt_title=''The Wolves unleashed''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2010 (audiobook, e-book)|January 2011 (paperback) {{ISBNT|978-1-84416-777-7}}}}|aux1=444 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=16|title=]|alt_title={{interp|Short story compilation}}|author={{sortname|Christian|Dunn|nolink=1}} (editor)|publish_date={{ubl|li_style=text-align:center|May 2011 (audiobook, e-book, paperback)}}|aux1=408 pp.|aux2={{r|b16}}|line_color=novel}} |book_number=16|title='']''|alt_title={{interp|Short story compilation}}|author={{sortname|Christian|Dunn|nolink=1}} (editor)|publish_date={{unbulleted list|item_style=text-align:center|May 2011 (audiobook, e-book, paperback {{ISBNT|978-1-84970-037-5}})}}|aux1=408 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=17|title=]|alt_title=''The truth lies within''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center;white-space:nowrap|November 2011 (audiobook, e-book, paperback)}}|aux1=459 pp.|aux2={{r|b17}}|line_color=novel}} |book_number=17|title='']''|alt_title=''The truth lies within''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center;white-space:nowrap|November 2011 (audiobook, e-book, paperback {{ISBNT|978-1-84970-086-3}})}}|aux1=459 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=18|title=]|alt_title=''Ghosts of Terra''|author={{sortname|Gav|Thorpe|nolink=1}}|publish_date={{ubl|li_style=text-align:center|January 2012 (audiobook, e-book, paperback)}}|aux1=469 pp.|aux2={{r|b18}}|line_color=novel}} |book_number=18|title='']''|alt_title=''Ghosts of Terra''|author={{sortname|Gav|Thorpe}}|publish_date={{unbulleted list|item_style=text-align:center|January 2012 (audiobook, e-book, paperback {{ISBNT|978-1-84970-062-7}})}}|aux1=469 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=19|title=]|alt_title=''The battle of Calth''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{ubl|li_style=text-align:center|February 2012 (audiobook, e-book)|March 2012 (paperback)}}|aux1=412 pp.|aux2={{r|b19}}|line_color=novel}} |book_number=19|title='']''|alt_title=''The battle of Calth''|author={{sortname|Dan|Abnett|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|February 2012 (audiobook, e-book)|March 2012 (paperback) {{ISBNT|978-1-84970-134-1}}}}|aux1=412 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=20|title=]|alt_title={{interp|Novella compilation}}|author={{sortname|Christian|Dunn|nolink=1}} (editor)|publish_date={{ubl|li_style=text-align:center|May 2012 (audiobook, e-book)|June 2012 (paperback)}}|aux1=440 pp.|aux2={{r|b20}}|line_color=novel}} |book_number=20|title='']''|alt_title={{interp|Novella compilation}}|author={{sortname|Christian|Dunn|nolink=1}} (editor)|publish_date={{unbulleted list|item_style=text-align:center|May 2012 (audiobook, e-book)|June 2012 (paperback) {{ISBNT|978-1-84970-208-9}}}}|aux1=440 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=21|title=]|alt_title=''The Angel falls''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{ubl|li_style=text-align:center|August 2012 (audiobook, e-book, paperback)}}|aux1=508 pp.|aux2={{r|b21}}|line_color=novel}} |book_number=21|title='']''|alt_title=''The angel falls''|author={{sortname|James|Swallow|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2012 (audiobook, e-book, paperback {{ISBNT|978-1-84970-196-9}})}}|aux1=508 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=22|title=]|alt_title={{nowrap|{{interp|Short story and novella compilation}}}}|author={{sortname|Christian|Dunn and Nick Kyme||Dunn, Christian|nolink=1}} (editors)|publish_date={{ubl|li_style=text-align:center|September 2012 (e-book, paperback)}}|aux1=409 pp.|aux2={{r|b22}}|line_color=novel}} |book_number=22|title='']''|alt_title={{nowrap|{{interp|Short story and novella compilation}} }}|author={{sortname|Christian|Dunn and Nick Kyme||Dunn, Christian|nolink=1}} (editors)|publish_date={{unbulleted list|item_style=text-align:center|September 2012 (e-book, paperback {{ISBNT|978-1-84970-346-8}})}}|aux1=409 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=23|title=]|alt_title=''Flesh and iron''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{ubl|li_style=text-align:center|November 2012 (audiobook)|January 2013 (e-book, paperback)}}|aux1=416 pp.|aux2={{r|b23}}|line_color=novel}} |book_number=23|title='']''|alt_title=''Flesh and iron''|author={{sortname|Graham|McNeill|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|November 2012 (audiobook)|January 2013 (e-book, paperback {{ISBNT|978-1-84970-358-1}})}}|aux1=416 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=24|title=]|alt_title=''Blood for the Blood God''|author={{sortname|Aaron|Dembski-Bowden|nolink=1}}|publish_date={{ubl|li_style=text-align:center|December 2012 (audiobook)|March 2013 (paperback)}}|aux1=416 pp.|aux2={{r|b24}}|line_color=novel}} |book_number=24|title='']''|alt_title=''Blood for the Blood God''|author={{sortname|Aaron|Dembski-Bowden|nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2012 (audiobook)|March 2013 (paperback) {{ISBNT|978-1-84970-388-8}}}}|aux1=448 pp.|line_color=novel}}
{{Book list {{Book list
|book_number=25|title=]|alt_title={{interp|Short story and novella compilation}}|author={{sortname|Laurie|Goulding|nolink=1}} (editor)|publish_date={{ubl|li_style=text-align:center|April 2013 (audiobook)}}|aux1={{ntsh|-1}}{{mdash}}|aux2={{r|b25}}|line_color=novel}} |book_number=25|title='']''|alt_title={{interp|Short story and novella compilation}}|author={{sortname|Laurie|Goulding|nolink=1}} (editor)|publish_date={{unbulleted list|item_style=text-align:center|April 2013 (audiobook, paperback {{ISBNT|978-1-84970-415-1}})}}|aux1=416 pp.|line_color=novel}}
{{Book list

|book_number = 26|title = '']''|alt_title =''Unto the Anvil''|author= {{sortname|Nick|Kyme|nolink=1}}|publish_date = August 2013 (audiobook, e-book, hardback {{ISBNT|978-1-84970-316-1}}, paperback {{ISBNT|978-1-84970-512-7}})|aux1=416 pp.|line_color = novel}}
<!-- ATTENTION EDITORS: PLEASE INSERT ADDITIONAL TITLES JUST ABOVE THIS COMMENT. -->
{{Book list
|book_number = 27|title = '']''|alt_title =''A light in the darkness''|author= {{sortname|Dan|Abnett|nolink=1}}|publish_date = October 2013 (e-book, hardback {{ISBNT|978-1-84970-571-4}}, paperback {{ISBNT|978-1-84970-572-1}})|aux1=416pp.|line_color = novel}}
{{Book list
|book_number = 28|title = '']''|alt_title =''A Legion divided''|author = {{sortname|Chris|Wraight|nolink=1}}|publish_date = April 2014 (e-book, hardback, paperback {{ISBNT|978-1-84970-604-9}})|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 29|title = '']''|alt_title =''The Battle of Molech''|author = {{sortname|Graham |McNeill|nolink=1}}|publish_date = May 2014 (e-book, Audiobook, hardback, paperback {{ISBNT|978-1-84970-595-0}})|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 30|title = '']''|alt_title =''Thinning the veil''|author = {{sortname|David |Annandale|nolink=1}}|publish_date = July 2014 (e-book, hardback {{ISBNT|978-1-84970-714-5}}, audio)|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 31|title = '']''|alt_title =''Let the galaxy burn''|author = {{sortname|Compilation||nolink=1}}|publish_date = February 2015 (e-book, paperback {{ISBNT|978-1-84970-836-4}})|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 32|title = '']''|alt_title =''Into the Ruinstorm''|author = {{sortname|Nick |Kyme|nolink=1}}|publish_date = November 2015 (e-book, paperback {{ISBNT|978-1-78496-018-6}}, audio)|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 33|title = '']''|alt_title =''Heresy begets retribution''|author = {{sortname|Compilation||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|January 2016 (e-book, hardback {{ISBNT|978-1-78496-365-1}} and audio)|July 2016 (paperback) {{ISBNT|978-1-78496-370-5}}}}|aux1=544 pp.|line_color = novel}}
{{Book list
|book_number = 34|title = '']''|alt_title =''The dying of the light''|author = {{sortname|Guy |Haley||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2015 (ebook)|February 2016 (hardback and audio)|September 2016 (paperback) {{ISBNT|978-1-78496-306-4}}}}|aux1=485 pp.|line_color = novel}}
{{Book list
|book_number = 35|title = '']''|alt_title =''I am the Emperor's vigilance''|author = {{sortname|Compilation||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|March 2016 (ebook, hardback and audio)|October 2016 (paperback) {{ISBNT|978-1-78496-455-9}}}}|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 36|title = '']''|alt_title =''Riding out from the storm''|author = {{sortname|Chris |Wraight||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|April 2016 (ebook, hardback and audio)|November 2016 (paperback) {{ISBNT|978-1-78496-312-5}}}}|aux1=432 pp.|line_color = novel}}
{{Book list
|book_number = 37|title = '']''|alt_title =''Chosen of the Sigillite''|author = {{sortname|Compilation||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|May 2016 (ebook, hardback and audio)|December 2016 (paperback) {{ISBNT|978-1-78496-375-0}}}}|aux1=480 pp.|line_color = novel}}
{{Book list
|book_number = 38|title = '']''|alt_title =''Emperors and slaves''|author = {{sortname|Gav |Thorpe||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|June 2016 (ebook, hardback and audio)|December 2016 (paperback) {{ISBNT|978-1-78496-348-4}}}}|aux1=480 pp.|line_color = novel}}
{{Book list
|book_number = 39|title = '']''<ref>{{Cite web |url=http://www.blacklibrary.com/horus-heresy/hh-audio/hh-praetorian-of-dorn-mp3.html |title=Black Library & Warhammer Digital - Book 39: Praetorian of Dorn (MP3) |access-date=2016-09-03 |archive-url=https://web.archive.org/web/20160824014628/http://www.blacklibrary.com/horus-heresy/hh-audio/hh-praetorian-of-dorn-mp3.html |archive-date=2016-08-24 |url-status=dead }}</ref><ref>{{Cite book| url=http://www.simonandschuster.com/books/Praetorian-of-Dorn/John-French/The-Horus-Heresy/9781784964375| isbn=978-1-78496-642-3| title=Praetorian of Dorn| date=2018-02-27| last1=French| first1=John| publisher=Games Workshop| access-date=2016-09-03| archive-date=2016-09-23| archive-url=https://web.archive.org/web/20160923215241/http://www.simonandschuster.com/books/Praetorian-of-Dorn/John-French/The-Horus-Heresy/9781784964375| url-status=live}}</ref>|alt_title =''Alpha to omega''|author = {{sortname|John |French||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2016 (ebook, hardback and audio)|January 2017 (paperback) {{ISBNT|978-1-78496-437-5}}}}|aux1=512 pp.|line_color = novel}}
{{Book list
|book_number = 40|title = '']''|alt_title =''Nevermore''|author = {{sortname|Gav |Thorpe||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2016 (ebook, hardback and audio)|April 2017 (paperback) {{ISBNT|978-1-78496-504-4}}}}|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 41|title = '']''|alt_title =''War in the webway''|author = {{sortname|Aaron |Dembski-Bowden||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2016 (ebook, hardback and audio)|June 2017 (paperback) {{ISBNT|978-1-78496-536-5}}}}|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 42|title = '']''|alt_title =''Weapon of fate''|author = {{sortname|James |Swallow||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|February 2017 (ebook, hardback and audio)|August 2017 (paperback) {{ISBNT|978-1-78496-564-8}}}}|aux1=384 pp.|line_color = novel}}
{{Book list
|book_number = 43|title = '']''|alt_title ={{interp|Short story and novella compilation|}}|author = {{sortname|Laurie|Goulding|nolink=1}} (editor)|publish_date={{unbulleted list|item_style=text-align:center|April 2017 (ebook, hardback and audio)|October 2017 (paperback) {{ISBNT|978-1-78496-784-0}}}}|aux1=448 pp.|line_color = novel}}
{{Book list
|book_number = 44|title = '']''|alt_title =''A soul divided''|author = {{sortname|Graham |McNeill||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|June 2017 (ebook, hardback and audio)|December 2017 (paperback) {{ISBNT|978-1-78496-834-2}}}}|aux1=496 pp.|line_color = novel}}
{{Book list
|book_number = 45|title = '']''|alt_title =''War for a dead world''|author = {{sortname|John |French||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2017 (ebook, hardback and audio)|February 2018 (paperback) {{ISBNT|978-1-78496-640-9}}}}|aux1=416 pp.|line_color = novel}}
{{Book list
|book_number = 46|title = '']''|alt_title =''Destiny unwritten...''|author = {{sortname|David |Annandale||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2017 (ebook, hardback and audio)|April 2018 (paperback) {{ISBNT|978-1-78496-672-0}}}}|aux1=384 pp.|line_color = novel}}
{{Book list
|book_number = 47|title = '']''|alt_title =''To the Gates of Terra''|author = {{sortname|Nick |Kyme||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|November 2017 (ebook, hardback and audio)|June 2018 (paperback) {{ISBNT|978-1-78496-712-3}}}}|aux1=400 pp.|line_color = novel}}
{{Book list
|book_number = 48|title = '']''|alt_title ={{interp|Short story and novella compilation|}}|author = {{sortname|Laurie |Goulding||nolink=1}} (editor)|publish_date={{unbulleted list|item_style=text-align:center|February 2018 (ebook, hardback and audio)|August 2018 (paperback) {{ISBNT|978-1-78496-752-9}}}}|aux1=432 pp.|line_color = novel}}
{{Book list
|book_number = 49|title = '']''|alt_title =''The wyrd spear cast''|author = {{sortname|Guy |Haley||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|May 2018 (ebook, hardback and audio)|October 2018 (paperback) {{ISBNT|978-1-78496-779-6}}}}|aux1=432 pp.|line_color = novel}}
{{Book list
|book_number = 50|title = '']''|alt_title ={{interp|Short story, novella, & novel compilation|}}|author = {{sortname|Nick |Kyme||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|July 2018 (ebook, hardback and audio)|December 2018 (paperback) {{ISBNT|978-1-78496-838-0}}}}|aux1=464 pp.|line_color = novel}}
{{Book list
|book_number = 51|title = '']''|alt_title =''Chaos undivided''|author = {{sortname|John |French||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|August 2018 (ebook, hardback and audio)|February 2019 (paperback) {{ISBNT|978-1-78496-859-5}}}}|aux1=400 pp.|line_color = novel}}
{{Book list
|book_number = 52|title = '']''|alt_title ={{interp|Short story compilation}}|author = {{sortname|Nick |Kyme and Laurie Goulding||nolink=1}} (editors)|publish_date={{unbulleted list|item_style=text-align:center|November 2018 (ebook, hardback and audio)|April 2019 (paperback) {{ISBNT|978-1-78496-906-6}}}}|aux1=400 pp.|line_color = novel}}
{{Book list
|book_number = 53|title = '']''|alt_title =''The God Machines cometh''|author = {{sortname|Guy |Haley||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|December 2018 (ebook, hardback and audio)|June 2019 (paperback) {{ISBNT|978-1-78496-988-2}}}}|aux1=369 pp.|line_color = novel}}
{{Book list
|book_number = 54|title = '']''|alt_title =''Doom of the Death Guard''|author = {{sortname|James |Swallow||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|February 2019 (ebook, hardback and audio)|September 2019 (paperback) {{ISBNT|978-1-78193-970-3}}}}|aux1=314 pp.|line_color = novel}}
{{Book list
|book_number = 55|title = '']''|alt_title =''Siege of Terra'' Book 1 |author = {{sortname|John |French||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|May 2019 (ebook, hardback {{ISBNT|978-1-78496-926-4}} and audio)|November 2020 (paperback) {{ISBNT|978-1-78999-290-8}}}}|aux1=384 pp.|line_color = novel}}
{{Book list
|book_number = 56|title = '']''|alt_title =''Siege of Terra'' Book 2 |author = {{sortname|Guy |Haley||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2019 (ebook, hardback {{ISBNT|978-1-78193-944-4}} and audio)|April 2020 (paperback) {{ISBNT|978-1-78999-074-4}}}}|aux1=432 pp.|line_color = novel}}
{{Book list
|book_number = 57|title = '']''|alt_title =''Siege of Terra'' Book 3 |author = {{sortname|Gav |Thorpe||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|March 2019 (ebook, hardback {{ISBNT|978-1-78193-932-1}} and audio)|August 2020 (paperback) {{ISBNT|978-1-78999-177-2}}}}|aux1=460 pp.|line_color = novel}}
{{Book list
|book_number = 58|title = '']''|alt_title =''Siege of Terra'' Book 4 |author = {{sortname|Dan |Abnett||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|July 2020 (ebook, hardback {{ISBNT|978-1-78999-134-5}} and audio)|March 2022 (paperback) {{ISBNT|978-1-80026-113-6}}}}|aux1=560 pp.|line_color = novel}}
{{Book list
|book_number = 59|title = '']''|alt_title =''Siege of Terra'' Book 5 |author = {{sortname|John |French||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|April 2021 (ebook, hardback {{ISBNT|978-1-78999-816-0}} and audio)|January 2023 (paperback) {{ISBNT|978-1-80026-246-1}}}}|aux1=560 pp.|line_color = novel}}
{{Book list
|book_number = 60|title = '']''|alt_title =''Siege of Terra'' Book 6 |author = {{sortname|Chris |Wraight||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|October 2021 (ebook and hardback {{ISBNT|978-1-78999-952-5}})|April 2023 (paperback) {{ISBNT|978-1-78999-387-5}}}}|aux1=480 pp.|line_color = novel}}
{{Book list
|book_number = 61|title = '']''|alt_title =''Siege of Terra'' Book 7 |author = {{sortname|Aaron|Dembski-Bowden||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|September 2022 (ebook and hardback {{ISBNT|978-1-80026-088-7}})|June 2023 (paperback) {{ISBNT|978-1-80026-195-2}}}}|aux1=560 pp.|line_color = novel}}
{{Book list
|book_number = 62|title = ]|alt_title =''Siege of Terra'' Book 8|author={{sortname|Dan|Abnett||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|February 2023 (ebook and hardback {{ISBNT|978-1-80026-120-4}})|August 2023 (paperback) {{ISBNT|978-1-80407-337-7}}}}|aux1=663 pp.|line_color = novel}}
{{Book list
|book_number = 63|title = ]|alt_title =''Siege of Terra'' Book 9|author={{sortname|Dan|Abnett||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|November 2023 (ebook and hardback {{ISBNT|978-1-80026-878-4}})}}|aux1=672 pp.|line_color = novel}}
{{Book list
|book_number = 64|title = ]|alt_title =''Siege of Terra'' Book 10|author={{sortname|Dan|Abnett||nolink=1}}|publish_date={{unbulleted list|item_style=text-align:center|January 2024 (ebook and hardback {{ISBNT|978-1-80407-488-6}})}}|aux1=512 pp.|line_color = novel}}
|} |}


== Contributors ==
===Announced<!-- Section linked from within this article ] -->===
Contributors of the series include artists, audiobook narrators, and compilation or abridgement editors. Each may have contributed in stories that utilise different forms; where applicable, the number of (multiple) contributions per form{{spnd}} or other pertinent information{{spnd}} is indicated in parentheses.
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{As of|2013|04}} official announcement of further additions to the series was pending.{{r|bl-cs}}


'''Artists'''
=={{anchor|characters}}Characters (partial list)<!-- Section linked from within the article -->==
* Karl Richardson{{spnd}} Internal illustrations (])
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
* Neil Roberts{{spnd}} Cover art, front matter illustration; main series artist (all titles except where ] otherwise)
{{Main|List of Horus Heresy characters}}
* Philip Sibbering{{spnd}} Cover art, front matter illustration
The following characters in the expanding cast are among those that appear in multiple books or are protagonists of at least one story; the listing includes other characters that are of special significance to the series storyline. Listed alphabetically.{{r|bookmatter}}
* Adrian Wood{{spnd}} Front matter map
*{{anchor|abaddon}}Ezekyle Abaddon{{spnd}} First Captain, Luna Wolves Legion of ]{{spnd}} In the opening trilogy (Books&nbsp;]); appears in other books
*{{anchor|ahriman}}Ahzek Ahriman{{spnd}} Senior Corvidae (a ] ]); Chief {{vanchor|Librarian}} (combat ]), Thousand Sons Legion{{spnd}} Books&nbsp;] and&nbsp;]
*{{anchor|bile}}Fabius Bile{{spnd}} Chief Apothecary (medical officer), Emperor's Children Legion{{spnd}} Books&nbsp;] and&nbsp;]; appears in other books
*{{anchor|cestus}}Lysimachus Cestus{{spnd}} Captain and Fleet Commander, Ultramarines Legion{{spnd}} Book&nbsp;]
*{{anchor|zurias}}Zahariel El'Zurias{{spnd}} Knight Supplicant of the Order (an organisation of ]s); Librarian-in-training, Dark Angels Legion{{spnd}} Books&nbsp;] and&nbsp;]
*{{anchor|eom}}Emperor of Mankind{{spnd}} Founder and Head of the ]; initiator of the ]; "the ]" of Chaos – Appears in several books, including Books&nbsp;],&nbsp;], and&nbsp;]
*{{vanchor|Erebus}}{{spnd}} First Chaplain (discipline, ideology, and morale officer), Word Bearers Legion; Dark ] (Chaplain-equivalent rank), Word Bearers of Chaos Undivided{{spnd}} A major character in several books, including Books&nbsp;],&nbsp;], and&nbsp;]
*{{anchor|garro}}]{{spnd}} Captain, Death Guard Legion{{spnd}} Books&nbsp;] and&nbsp;]
*{{anchor|hawser}}Kasper Hawser{{spnd}} Terran (]-born) ] and Conservator (historian); {{vanchor|Remembrancer}} (] civilian Crusade chronicler), 40th ] of the Great Crusade; {{lang|da|]}} (oral historian), Space Wolves Legion{{spnd}} Book&nbsp;]
* Ingethel{{spnd}} Emissary of the ]; "the Ascended", ] of Chaos Undivided{{spnd}} Book&nbsp;]
*{{vanchor|Ka'Bandha}}{{spnd}} Bloodthirster (Greater Daemon of Khorne, a ]){{spnd}} Book&nbsp;]
*{{anchor|keeler}}Euphrati Keeler{{spnd}} Imagist (photographer); Remembrancer, 63rd Crusade Expedition; ] of the {{em|Lectitio Divinitatus}} (a clandestine ]-worshipping cult); "the New Saint"{{spnd}} Books&nbsp;] through&nbsp;]
*{{vanchor|Kelbor-Hal}}{{spnd}} Fabricator General of ]{{spnd}} Books&nbsp;] and&nbsp;]
*{{anchor|kell}}Eristede Kell{{spnd}} Assassin-at-Marque (Imperial assassin under special licence), ]{{spnd}} Book&nbsp;]
*{{vanchor|Khârn}}{{spnd}} Captain, World Eaters Legion; ] to ]{{spnd}} Book&nbsp;]; appears in other books
* Kroeger{{spnd}} Lieutenant; later Warsmith (senior officer), Iron Warriors Legion{{spnd}} Book&nbsp;]
*{{anchor|loken}}]{{spnd}} Captain, Luna Wolves Legion{{spnd}} In the opening trilogy (Books&nbsp;])
*{{anchor|lupercal}}Horus Lupercal{{spnd}} ] of the Luna Wolves Legion; Warmaster of the Imperium of Man; {{nowrap|rebel-in-chief}}{{spnd}} Appears in several books, including the opening trilogy (Books&nbsp;])
* Malcador ("the Sigillite"){{spnd}} ] of Terra; First Lord of the Council (governing body of the Imperium){{spnd}} Books&nbsp;] and&nbsp;]; appears in other books
* Meros{{spnd}} Line Apothecary (]), Blood Angels Legion; "the Red Angel"{{spnd}} Book&nbsp;]
* Branne Nev{{spnd}} Captain, Raven Guard Legion{{spnd}} Books&nbsp;] and&nbsp;]
* Ollanius (Oll) Persson{{spnd}} A {{vanchor|perpetual}} (consciousness-retaining ]); retired ] trooper{{spnd}} Book&nbsp;]; appears in other books
*{{anchor|phaeron}}Kor Phaeron{{spnd}} First Captain, Word Bearers Legion; Black Cardinal (chief spiritual officer and ]), Word Bearers of Chaos Undivided{{spnd}} Books&nbsp;],&nbsp;] and&nbsp;]
* Alexis Polux{{spnd}} Captain, Imperial Fists Legion; Master of the ]{{spnd}} Book&nbsp;]
*{{anchor|primarch}}the ]{{spnd}} ] and ] engineered progeny of the ]; Commanders of the Space Marine Legions{{spnd}} One or more (out of 20&nbsp;total) may appear in every book of the series.{{r|bookmatter}} Special mentions:
**{{vanchor|Alpharius-Omegon}}{{spnd}} Primarch of the Alpha Legion{{spnd}} Books&nbsp;],&nbsp;], and&nbsp;]
**{{vanchor|Angron}}{{spnd}} Primarch of the World Eaters Legion; daemon of "the Blood God" (the Chaos god ]){{spnd}} Book&nbsp;]; appears in other books
**{{anchor|aurelian}}Lorgar Aurelian{{spnd}} Primarch of the Word Bearers Legion; "Chosen of the Pantheon" of Chaos{{spnd}} Books&nbsp;], ] and&nbsp;]; appears in other books
**{{anchor|corax}}Corvus Corax{{spnd}} Primarch of the Raven Guard Legion{{spnd}} Book&nbsp;]; appears in other books
**{{anchor|curze}}Konrad Curze{{spnd}} Primarch of the Night Lords Legion{{spnd}} Book&nbsp;]; appears in other books
**{{anchor|dorn}}Rogal Dorn{{spnd}} Primarch of the Imperial Fists Legion{{spnd}} Books&nbsp;] and&nbsp;]; appears in other books
**{{anchor|jonson}}Lion El'Jonson{{spnd}} Commander of the ]; Primarch of the Dark Angels Legion{{spnd}} Books&nbsp;],&nbsp;], and&nbsp;]
**{{vanchor|Fulgrim}}{{spnd}} Primarch of the Emperor's Children Legion{{spnd}} {{nowrap|Books&nbsp;], ],}} and&nbsp;]; appears in other books
**{{anchor|guilliman}}Roboute Guilliman{{spnd}} Ruler of Ultramar (a frontier ]); Primarch of the Ultramarines Legion{{spnd}} Book&nbsp;]
**{{vanchor|Magnus}} ("the Red"){{spnd}} Primarch of the Thousand Sons Legion{{spnd}} Books&nbsp;] and&nbsp;]; appears in other books
**{{anchor|manus}}Ferrus Manus{{spnd}} Primarch of the Iron Hands Legion{{spnd}} Books&nbsp;] and&nbsp;]
**{{vanchor|Perturabo}}{{spnd}} Primarch of the Iron Warriors Legion{{spnd}} Book&nbsp;]; appears in other books
**{{anchor|russ}}Leman Russ{{spnd}} Primarch of the Space Wolves Legion{{spnd}} Books&nbsp;] and&nbsp;]
**{{vanchor|Sanguinius}}{{spnd}} Primarch of the Blood Angels Legion{{spnd}} Book&nbsp;]; appears in other books
* Jago Sevatarion ("Sevatar"){{spnd}} First Captain, Night Lords Legion{{spnd}} Book&nbsp;]
* Kyril Sindermann{{spnd}} Primary Iterator (spokesperson and propagandist) of the ]; Remembrancer, 63rd Crusade Expedition; "the ] Apostle"{{spnd}} Books&nbsp;] through&nbsp;]
*{{anchor|tal}}Argel Tal{{spnd}} Captain, Word Bearers Legion; ] of Raum, a Chaos daemon; "the Crimson Lord", commander of a Word Bearers elite unit{{spnd}} Books&nbsp;] and&nbsp;]
* Meer Erv Tawren{{spnd}} Magos of Analyticae (high-ranking information technology specialist), ] of planet ]{{spnd}} Book&nbsp;] and&nbsp;]
*{{anchor|cabal}}The Cabal{{spnd}} Secret, non-Imperial anti-] organization{{spnd}} Books&nbsp;] and&nbsp;]. Special mention:
**{{anchor|grammaticus}}John Grammaticus{{spnd}} Human operative; ]{{spnd}} Book&nbsp;]; appears in other books
*{{anchor|ulthran}}Eldrad Ulthran{{spnd}} Senior Farseer (]/] ] and ] advisor) of the ] ]{{spnd}} Book&nbsp;]
* Constantin Valdor{{spnd}} Captain&#8209;General, Commander of the Custodian Guard (Imperial Bodyguard){{spnd}} Books&nbsp;] and&nbsp;]; appears in other books
* Remus Ventanus{{spnd}} Captain, Ultramarines Legion{{spnd}} Books&nbsp;],&nbsp;], and&nbsp;]
* Othere Wyrdmake{{spnd}} Rune Priest (]-equivalent rank), Space Wolves Legion{{spnd}} Books&nbsp;] and&nbsp;]
*{{vanchor|Zadkiel}}{{spnd}} Fleet Captain, Word Bearers of Chaos Undivided; Master of the ''Furious Abyss''{{spnd}} Book&nbsp;]
*{{anchor|zulane}}Kai Zulane{{spnd}} Imperial ] (] communications conduit), Ultramarines Legion{{spnd}} Book&nbsp;]


'''Audiobook narrators'''
==Synopsis<!-- Section linked from within this article ] -->==
* ]{{spnd}} ] novel&nbsp;(4), novella&nbsp;(2), short story&nbsp;(4)
==={{anchor|story}}Story setting<!-- Section linked from within this article -->===
* ]{{spnd}} Novella
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
* Martyn Ellis{{spnd}} Abridged&nbsp;(3) and unabridged&nbsp;(1) novel, short story&nbsp;(3)
Early in {{nowrap|the 31st millennium,}} the ] is in the throes of the {{em|Great Crusade}}. Originating from Terra (]), it is an interstellar ] that claims the galaxy as the rightful domain of Humankind, and aims to reunite the multitude of scattered human ] under an "Imperium of Man". Organised in numerous {{em|Expeditions}}, the Crusade fields huge fleets and vast armies; at its forefront, led by the ], are Legions of ]{{spnd}} ] super-warriors numbering in the millions. Over the course of two Terran centuries, the Crusade has reached ]s more than 50,000&nbsp;]s away from its original staging point in the Sol (]) System, has assimilated millions of worlds into the Imperium, and has given Humankind a dominant position among the galaxy's species. Its grand mastermind is the "Emperor of Mankind", a mysterious ] of unknown origin who is said to be almost {{nowrap|40,000 years old}} when the Crusade starts.{{r|crusade}}
* Jonathan Keeble{{spnd}} Unabridged novel&nbsp;(3), novella, short story&nbsp;(6)
* David Timpson{{spnd}} Unabridged novel&nbsp;(2), novella, short story&nbsp;(3)
* ] - Unabridged Novel


'''Editors'''
The Emperor, Founder and Head of the Imperium, is a being of literally towering ], prowess, conviction, and ability. He has declared an ] ]{{spnd}} the {{em|id=i-truth|1=Imperial Truth}}{{spnd}} based on science, ], and human primacy.{{r|i-truth}} However, he is also the most powerful human (or humanlike) {{em|]}}, and overall, one of the most formidable psychics in the galaxy; the Imperial Truth is at best a misrepresentation. The Emperor knows that in the {{em|id=warp|1=Warp}}, the ]/]-like ] that is the domain of thought, emotion, and consciousness, exist sentient vortices of concentrated, harmful energy. These malign ] forever seek to breach the material universe and subjugate or consume all life within it. They are the basis of many human and ] religions, and are known (by the few humans aware of their existence) collectively as ], the {{em|id=p-truth|1=Primordial Truth}}, or the {{em|Primordial Annihilator}}.{{r|chaos}}
* Christian Dunn{{spnd}} Novel abridgement&nbsp;(3); mixed-form compilation, novella compilation, short story compilation
* Laurie Goulding{{spnd}} Mixed-form compilation
* Nick Kyme{{spnd}} Mixed-form compilation, short story compilation
* Lindsey Priestley{{spnd}} Short story compilation


== Synopsis ==
Humankind's continuing ] and ] evolution includes the gradual development of widespread Warp-related psychic abilities that will make the species far more susceptible to Chaotic influence; united under the Imperium of Man, shielded in the unbelief of Imperial Truth, and judiciously steered by the Emperor and his inner circle, the human race may yet avoid the Chaos-induced psychic corrosion and ] that would lead to its eventual annihilation. The transition of Humankind to a spiritually conscious species that is ], and free of taint, may thus be accomplished. Chaos is aware of the Emperor's objectives; it has plans of its own to thwart them.{{r|evolution|b18-pream|audience-pov}}


=== {{anchor|story}}Story setting ===
===Book 1 to Book 10===
Early in the 31st millennium, the ] is in the throes of the Great Crusade. Originating from Terra (]), it is an interstellar ] that claims the galaxy as the rightful domain of Humankind, and aims to reunite the multitude of scattered human ] remaining from earlier space exploration under the domain of an "Imperium of Man". Organised in numerous expeditions, the Crusade fields huge fleets and vast armies; at its forefront, led by the Primarchs, are Legions of ]{{spnd}} ] ] numbering in the millions. Over the course of two Terran centuries, the Crusade has reached ]s more than 50,000&nbsp;]s away from its original staging point in the Sol (]) System, has assimilated millions of worlds into the Imperium, and has given Humankind a dominant position among the galaxy's species. Its grand mastermind is the "Emperor of Mankind", a mysterious ] of unknown origin.<ref name="Merrett2007" />
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{anchor|book1}}'''1. Horus Rising: the seeds of Heresy are sown'''


The Emperor, founder and head of the Imperium, is a being of towering ], prowess, conviction, and ability. He has declared an ] ], the "Imperial Truth", which promotes science, ], and human primacy.<ref name="horus_rising_book">{{cite book |title=Horus Rising | publisher=] |author=Abnett, Dan |author-link=Dan Abnett |year=2006 |isbn=1-84416-498-5}}</ref> Unknown to the common citizenry, he is also the most powerful human (or humanlike) psychic, referred to as ]s, and is overall one of the most formidable psychics in the galaxy. Officially, the Imperium denies the existence of psychic phenomena, including its manifestations as ] and ], and punishes its belief as ignorant and superstitious; yet the Imperium is also dependent on psychic activity in order to achieve faster-than-light travel between its scattered dominions. The Emperor knows that psychic phenomena originate in The Warp, a ] reflecting the events of the material world at its most emotional. Within the Warp exist Daemons, sentient vortices of concentrated feeling that are chiefly malignant. The Daemons are themselves in service to the Chaos Gods, also known as the Ruinous Powers, titanic collectives of dark will whose rulership over the parallel dimension is supreme. These malign ] forever seek to breach the material universe and subject all life within it to foul and debased whims. Awareness and perception of the ] Gods and their Daemons serves as the basis of numerous faiths and religions in the setting, both human and ] in origin. Knowing followers of the Chaos Gods, though rare, refer to their faith as the Primordial Truth, or the Primordial Annihilator.<ref name="book_legion">{{cite book |title=Legion |publisher=] |author=Abnett, Dan |author-link=Dan Abnett |year=2008 |isbn=978-1-84416-536-0}}</ref>
''Horus Rising'', the series opener, starts its ] narrative in the early years of the 31st&nbsp;millennium, during {{nowrap|the 203rd Terran year}} of the ]. It describes the rise to power of ], Primarch of the "Luna Wolves" Legion of Space Marines (the 16th&nbsp;Legion of 20&nbsp;formed originally), and the most versatile and favoured "son" of the ]. The Emperor has recently appointed him Warmaster (overall commander of Imperial military forces) and has left him in charge of the Crusade; he then returns to Terra, where in relative isolation is undertaking a secret project that even Horus is not privy to. Much of the focus of this novel is on ], Captain of the Luna Wolves' 10th&nbsp;Company. He becomes a member of the {{em|Mournival}} (an informal advisory body to Horus), and participates in Crusade campaigns against anti-Imperials and ]. The story also hints at tensions in the nascent Imperium, exacerbated by the Emperor's absence and actions{{spnd}} these are common themes in following books.{{r|b1-rev}}


Humankind's continuing ] and ] evolution includes the gradual development of widespread Warp-related psychic abilities that will make the species far more susceptible to Chaotic influence; united under the Imperium of Man, the Emperor seeks to protect all of mankind by using faith in the Imperial Truth as a shield. The powers of Chaos desire change and conflict by nature, and seek to destabilise and subvert the Imperium's order over the galaxy from within.<ref name="6th edition" />
{{anchor|book2}}'''2. False Gods: the Heresy takes root'''


=== Book 1 to Book 10 ===
{{Redirect|False Gods|the Abrahamic doctrine|False god}}
{{anchor|book1}}'''1. Horus Rising: The seeds of heresy are sown'''
''False Gods'' picks up the tale a few weeks after the conclusion of ] in the series timeline, and tells the story of Horus' fall. In a complicated conspiracy implemented by ] allies, Horus is ] during a Crusade mission by an alien, Chaos-tainted weapon. In a desperate (and contrary to ]) action by his lieutenants to ensure his survival, he is taken to a ] that has a reputation for healing. However the temple is actually in service to Chaos, and both Horus' wound and its supposed healing makes him susceptible to Chaos' influence. He ultimately turns against his "father", the Emperor, and sets in motion the entire Heresy. This novel further highlights the institutional and personal tensions that accompany the Imperium's maturity into the preeminent power of the galaxy; they include rifts among Primarchs and among (and within) Legions. The tensions, and characters' flaws, are repeatedly and successfully manipulated by Chaos in this and following volumes. A parallel storyline, also present in several other books, involves the growing influence{{spnd}} within Crusade Expeditions and in the wider Imperium{{spnd}} of a forbidden ], whose members worship the Emperor as god.{{r|b2-rev}}


''Horus Rising'', the series opener, starts in the early years of the 31st&nbsp;millennium, during the 203rd year of the Great Crusade. It describes the rise to power of Horus Lupercal, Primarch of the "Luna Wolves" Legion of Space Marines, and the most versatile and favoured "son" of the Emperor. The Emperor has recently appointed him Warmaster, overall commander of Imperial military forces, while also leaving him in charge of the rest of the Crusade; the Emperor meanwhile returns to Terra, where in relative isolation he undertakes a secret project to which not even Horus is privy. The focus and perspective of the novel centres on a Space Marine Captain, Garviel Loken, leader of the Luna Wolves' 10th&nbsp;Company. He becomes a member of the Mournival, an informal advisory body to Horus, and participates in Crusade campaigns against anti-Imperial human populations and aliens, referred to in the series as "xenos". The story also hints at tensions in the nascent Imperium, exacerbated by the Emperor's absence and contentious actions and inactions{{spnd}} these are common themes in following books.<ref name="horusrising_review">{{cite web | url=http://www.britishfantasysociety.co.uk/reviews/horus-rising-by-dan-abnett-book-review-2/ | title=Horus Rising by Dan Abnett. Book review | publisher=] | date=6 March 2013 | access-date=14 January 2016 | author=Scholes, Sandra | archive-date=8 March 2013 | archive-url=https://web.archive.org/web/20130308134935/http://www.britishfantasysociety.co.uk/reviews/horus-rising-by-dan-abnett-book-review-2/ | url-status=live }}</ref>
{{anchor|book3}}'''3. Galaxy in Flames: the Heresy revealed'''


{{anchor|book2}}'''2. False Gods: The heresy takes root'''
''Galaxy in Flames'' continues the Heresy story, starting timewise shortly after the end of ]. It outlines the corrupted Warmaster's descent into madness, which will soon engender a brutal galaxy-wide civil war that abruptly ends the Great Crusade and subverts its objectives and ideals. Horus continues his secret planning of the rebellion in earnest, seeking (and finding) allies among the Primarchs, their Legions, and the Imperium's other organisations and personalities. The novel details the first open move of the Heresy, the culling of remaining "Loyalists" from the ranks of "Traitor" Legions and other rebel forces. This mainly takes place in the ], specifically on and around the planet Isstvan&nbsp;III; Loyalist vessels come under treacherous rebel fire in the surrounding space, while on the planet's surface pro-Emperor elements of several rebel Space Marine Legions and ] units defiantly oppose the traitors.{{r|b3-rev}}


''False Gods'' picks up a few weeks after the conclusion of ''Horus Rising'' in the series timeline, and tells the story of Horus' fall. In a complicated conspiracy implemented by followers of Chaos, Horus is mortally wounded during a Crusade mission by a Chaos-tainted xenos weapon. In a desperate action by his lieutenants to ensure his survival {{spnd}} one taken in strict contradiction to ] {{spnd}} Horus is brought to a local ] with a reputation for healing. The temple is the seat of a powerful Chaos cult, and both Horus' wound and its supposed healing makes him susceptible to Chaos' influence. He ultimately turns against his "father", the Emperor, and sets in motion the entire Heresy. This novel further highlights the institutional and personal tensions that accompany the Imperium's maturity into the preeminent power of the galaxy; they include rifts among the Primarchs, as well as both between and within their Space Marine Legions. Conflicts and characters flaws are repeatedly and effectively manipulated by Chaos in pursuit of their agenda throughout the series. A parallel storyline, also present in several other books, involves the growing influence{{spnd}} both within the Crusade Expeditionary forces and across the wider Imperium{{spnd}} of a forbidden ], whose members, while loyal to the Emperor and Imperium, defy the Imperial Truth by worshipping the Emperor as a god.<ref name="falsegods_review">{{cite web | url=http://www.technologytell.com/gaming/38409/gamertell-review-the-horus-heresy-false-gods-by-graham-mcneill/ | title=Gamertell Review: The Horus Heresy: False Gods by Graham McNeill | publisher=TechnologyTell | date=22 August 2008 | access-date=14 January 2016 | author=Gronli, Johnathan | archive-date=21 April 2016 | archive-url=https://web.archive.org/web/20160421014908/http://www.technologytell.com/gaming/38409/gamertell-review-the-horus-heresy-false-gods-by-graham-mcneill | url-status=live }}</ref>
{{anchor|book4}}'''4. The Flight of the Eisenstein: the Heresy unfolds'''


{{anchor|book3}}'''3. Galaxy in Flames: The heresy revealed'''
''The Flight of the Eisenstein'' follows the ''Eisenstein'', a space ] of the "Death Guard" or 14th&nbsp;Legion, commanded by Battle&#8209;Captain ] of the 7th&nbsp;Company{{spnd}} one of the few Commanders in the Traitor Legions that remain loyal to the Emperor. The story describes ''Eisenstein''{{'s}} escape from Isstvan&nbsp;III (see ] above) and its perilous voyage across the galaxy as it attempts to reach Terra and raise the alarm over the developing rebellion. Garro and the others on board the vessel face suspicion and incredulity from Imperial authorities; apart from the inconceivable news of Horus' betrayal, the situation is complicated by the fact that many of the travellers on the ''Eisenstein'' now openly proclaim their ]al belief in the Emperor's divinity.{{r|b4-rev}}


''Galaxy in Flames'' starts shortly after the end of '']''. It outlines the corrupted Warmaster's descent into madness, which leads to the fomentation of his plot to betray the Imperium. Horus pursues his secret planning of the rebellion in earnest, seeking and finding allies among his disgruntled fellow Primarchs, their Legions, and the Imperium's other organisations and key personalities. The novel details the first open move of the Heresy, the "Betrayal of Istvaan III", wherein factions of four Astartes Legions who were deemed unconvertible by their traitor brethren are ambushed during a planetary invasion of the ]. The novel marks the first distinguishment of the "Loyalists" and "Traitor" factions within the Legions and other rebel forces, including the unmodified soldiers of the ].{{r|b3-rev}}
{{anchor|book5}}'''5. Fulgrim: visions of treachery'''


{{anchor|book4}}'''4. The Flight of the Eisenstein: The heresy unfolds'''
''Fulgrim'' centers on the ] Primarch of {{nowrap|the 3rd Legion,}} the "Emperor's Children", as both the flamboyant, perfectionist Commander and his Space Marines become corrupted by Chaos around the time Horus meets the same fate (]). As a result, a warning about Horus' imminent betrayal and the disaster that may follow{{spnd}} ] to Fulgrim and his staff{{spnd}} goes unheeded. The Emperor's Children eventually become the "Chosen" of Slaanesh, a god of Chaos, while ] is slowly and unwittingly drawn into grotesque communion. Primarch ] and his "Iron Hands" Space Marines (the 10th&nbsp;Legion) also play a prominent role in the novel, and several other Primarchs and Legions make appearances. Described in passing is the pivotal Battle of Isstvan&nbsp;V (an ] planet), also known as the {{em|id=dm|1=Dropsite Massacre}}. The battle fully reveals the scale and ferocity of the rebellion.{{r|b5-sub}}


''The Flight of the Eisenstein'' follows the eponymous ''Eisenstein'', a space ] of the "Death Guard" 14th&nbsp;Legion of Space Marines. The story follows the ship's escape from the Betrayal of Istvaan III, crewed by surviving loyalists of the four Legions present at the battle and commanded by Battle‑Captain ] of the Death Guard 7th&nbsp;Company and one of the few Commanders in the Traitor Legions that remain loyal to the Emperor {{spnd}} followed by the perilous voyage the vessel must take across the galaxy in an effort to reach Terra and raise the alarm over the developing rebellion. Garro and the others on board the vessel face suspicion and incredulity from Imperial authorities; apart from the inconceivable news of Horus' betrayal, the situation is complicated by the fact that many of the travellers on the ''Eisenstein'' now openly proclaim their belief in the Emperor's divinity, itself a ].{{r|b4-rev}}
{{anchor|book6}}'''6. Descent of Angels: loyalty and honour'''


{{anchor|book5}}'''5. Fulgrim: Visions of Treachery'''
''Descent of Angels'' is a pre-Heresy story that concludes about 50&nbsp;years before the start of that conflict. It introduces the "Dark Angels" Space Marines (the 1st&nbsp;Legion) and their Primarch, ]. The story is mainly told from the ] of ], a native of {{em|id=caliban|1=Caliban}} (a Warhammer&nbsp;40,000 planet). Caliban is an isolated, low-technology planet that resembles a ] world; the narrative details the ]-like setting, uniquely diverging from the series norm. Zurias is introduced in the story as an Aspirant of the Order, an organisation of techno-] ]s. The first half of the novel is set on Caliban and covers the final battles of the Order under the leadership of Jonson, the future Primarch. The book's second half describes Caliban's unification with the Imperium of Man as well as the actions of the Dark Angels during the early years of the Great Crusade. In this part of the story, Zurias, selected as candidate Space Marine, is accepted as a Dark Angel ]. A future ] within the Legion is also intimated in this section of the book.{{r|b6-rev}}


''Fulgrim'' centers on the ] Primarch of {{nowrap|the 3rd Legion,}} the "Emperor's Children". Characterised as flamboyant perfectionists, the novel tracks the descent of Fulgrim and his Legion into the service of Chaos roughly simultaneously with that of Horus in (]). Fulgrim is delivered a warning about Horus' imminent betrayal and the disaster that may follow ], but he and his staff dismiss it. The Emperor's Children eventually become the "Chosen" of Slaanesh, one of the four Gods of Chaos, with which ] is slowly and unwittingly drawn into grotesque communion. Primarch ] and his "Iron Hands" Space Marines (the 10th&nbsp;Legion) also play a prominent role in the novel as Fulgrim attempts to lure them into betrayal, and several other Primarchs and Legions make appearances. Described in passing is the pivotal Battle of Isstvaan&nbsp;V, also known as the {{em|id=dm|Dropsite Massacre}}, where several entirely Loyalist Legions are slaughtered in another Traitor ambush in the ]. The battle fully reveals the scale and ferocity of the rebellion.{{r|b5-sub}}
{{anchor|book7}}'''7. Legion: secrets and lies'''


{{anchor|book6}}'''6. Descent of Angels: Loyalty and honour'''
''Legion'' features the "Alpha" Legion of Space Marines, {{nowrap|the 20th and last}} to be formed. It is the most secretive, subtle, and inscrutable of all Legions; its deepest secret is the binary nature of its Primarch, who comprises the ]s ]. The book also highlights the Imperium's mainstream military force, the Imperial Army, featuring several male and female officers and their units. Another important factor in the novel is {{em|The Cabal}}, a mysterious, ancient interspecies organisation opposed to Chaos{{spnd}} one of the main characters is a human Cabal operative, ]. The story takes place over roughly a 6&#8209;month period, about two years before the Heresy starts; it describes the events that eventually lead Alpharius&#8209;Omegon to support Horus.


''Descent of Angels'' is a pre-Heresy story that concludes about 50&nbsp;years before the start of that conflict. It introduces the "Dark Angels", first of the Space Marine Legions, and their Primarch ]. The story is mainly told from the ] of ], a native of the fictional planet {{em|id=caliban|Caliban}}. Caliban is an isolated, low-technology world that resembles a ] ] setting. Zahariel is introduced in the story as an Aspirant of the Order, an organisation of techno-] ]s. The first half of the novel is set on Caliban and covers the final battles of the Order under the leadership of Jonson, the future Primarch. The book's second half describes Caliban's unification with the Imperium of Man as well as the actions of the Dark Angels during the early years of the Great Crusade. In this part of the story, Zahariel, selected as a candidate Space Marine, is accepted as a Dark Angel ]. A future ] within the Legion is intimated towards the end of the book.{{r|b6-rev}}
{{anchor|book8}}'''8. Battle for the Abyss: my brother, my enemy'''


{{anchor|book7}}'''7. Legion: Secrets and lies'''
''Battle for the Abyss'' is concerned with the lead&#8209;up to the rebels' invasion of {{em|id=ultramar|1=Ultramar}}, the in&#8209;universe remote home star system of the unshakably Loyalist 13th&nbsp;Legion, the "Ultramarines" (Book&nbsp;] and&nbsp;]). Early in the Heresy, the Traitor Word Bearers Legion is tasked with organising and leading the invasion; they plan to use an immense, secretly commissioned warship, the {{em|id=abyss|1=Furious Abyss}}, to spearhead the surprise attack. The vessel, commanded by Fleet Captain ], ] from shipyards near ] around the time of the events on Isstvan&nbsp;III (]), and sets course for Macragge, Ultramar's capital world. Leading the cast of Loyalist protagonists is ], Fleet Commander and Captain of the 7th&nbsp;Company of the Ultramarines. They become aware of the powerful ]'s true purpose, and engage in long pursuit; they will seek to prevent the ''Furius Abyss'' from participating in the invasion and from reaching Macragge.


''Legion'' focuses on the "Alpha Legion", the {{nowrap|20th and last}} of the Space Marine Legions. Characterised in earlier publications as clandestine and inscrutable, the book constitutes a major development of the entire canon of the setting with the revelation that the Legion's Primarch is actually a pair of twins, ]. The book also features the Imperial Army, the regular unmodified human fighting force of the Imperium, covering several officers and their units. Lastly, the novel introduces a new organisation to the setting, the enigmatic and ancient {{em|Cabal}} {{spnd}} an interspecies organisation opposed to Chaos. The human ] is introduced as a prominent Cabal member. The story takes place over roughly a 6‑month period, about two years before the Heresy starts; it describes the events that eventually lead Alpharius and Omegon (publicly a single figure named Alpharius Omegon) to support Horus.
{{anchor|book9}}'''9. Mechanicum: war comes to Mars'''


{{anchor|book8}}'''8. Battle for the Abyss: My brother, my enemy'''
''Mechanicum'' is the first book in the series not to focus on Primarchs or Space Marines. Instead, it is about the civil war on ], which takes place around the time of the start of the wider Heresy conflict. The planet is the seat of the Mechanicum, a ], Terra-allied ] responsible for the design, construction, and maintenance of all Imperial military and civilian technology. Planning his imminent ] against the Imperium, Horus obtains the secret allegiance of highly placed Mechanicum Adepts, including that of ], Fabricator General of Mars and the technocracy's leader. They plot, and eventually carry out, a ] in order to eliminate those on Mars who are loyal to the alliance with Terra and the Emperor. The ensuing war will determine which side in the struggle will receive the Mechanicum's crucial support.{{r|b9-sub|b9-rev}}

''Battle for the Abyss'' concerns the lead‑up to a Traitor invasion of {{em|id=ultramar|Ultramar}}, a remote star system and the home base of the unshakeably-Loyalist 13th&nbsp;Legion, the "Ultramarines" (Book&nbsp;] and&nbsp;]). Early in the Heresy, the Traitor Word Bearers Legion is tasked with organising and leading the invasion; they plan to use an immense, secretly commissioned warship, the {{em|id=abyss|Furious Abyss}}, to spearhead the surprise attack. The vessel, commanded by Fleet Captain ], ] from shipyards near ] around the time of the events on Isstvan&nbsp;III (]), and sets course for Macragge, Ultramar's capital world. Leading the cast of Loyalist protagonists is ], Fleet Commander and Captain of the 7th&nbsp;Company of the Ultramarines. They become aware of the powerful ]'s true purpose, and engage in long pursuit; they will seek to prevent the ''Furious Abyss'' from participating in the invasion and from reaching Macragge.

{{anchor|book9}}'''9. Mechanicum: Knowledge is power'''

''Mechanicum'' is the first book in the series not to focus on either the Primarchs or their Space Marines Legions. The novel centres on the eponymous "Mechanicum", a cult of machine-worshipping technologists based on the real-life planet Mars and which serves as the chief engineering authority in the nascent Imperium. The machinations of Horus and the Chaos-worshipping Traitors affects the Martian cult as much as every other Imperial organisation, leading to a civil war on ] itself. ], Fabricator General of Mars and the technocracy's supreme leader, declares for Horus, and together they carry out a ] to eliminate Techpriest and Magos adherents of the Cult who are loyal to Terra and the Emperor. As the Mechanicum is the sole power responsible for all civil and military technology in the Imperium, the conflict has vast implications for whichever side of the broader intergalactic civil war receives Mars' crucial support.{{r|b9-sub|b9-rev}}


{{anchor|book10}}'''10. Tales of Heresy''' {{anchor|book10}}'''10. Tales of Heresy'''


''Tales of Heresy'' is a collection of short stories that introduces or expands storyline perspectives and actors such as the {{em|Custodian Guard}} (the ]-like Imperial Bodyguard) and the {{em|Sisters of Silence}}, a ] Imperial organisation of warrior&#8209;nuns originally introduced in ]; most stories take place around the time of the Heresy. It includes two stories that take place on Terra, one of which is happening much earlier than the Heresy and adds to the background regarding the ]; another entry in the compilation is a Primarch origin story, wherein ] (one of the Emperor's "sons") takes command of the {{nowrap|12th Space Marine Legion,}} the "World Eaters". The book contains seven stories by various authors;{{r|b10-toc}} several stories relate to full-length novels in the series. ''Tales of Heresy'' is a collection of short stories introducing and expanding upon numerous threads within the greater happenings of the Heresy. Various stories centre on the {{em|Custodian Guard}}, the elite ]-esque retinue of the Emperor, and the {{em|Sisters of Silence}}, a ] Imperial organisation of anti-psychic warrior‑nuns originally introduced in ]. Most stories are concurrent with the Heresy, with some occurring in the years prior. It includes two stories that take place on Terra, one of which occurs long before the Heresy and adds to the background regarding the ]; another entry in the compilation is a Primarch origin story, covering the contentious circumstances under which the gladiatorial Primarch ] takes command of the {{nowrap|12th Space Marine Legion}}, which he renames from the "Warhounds" to the "World Eaters". The book contains seven stories by various authors;{{r|b10-toc}} several stories relate to full-length novels in the series.


This anthology contains the following stories: '''Blood Games''' by Dan Abnett, '''Wolf at the Door''' by Mike Lee, '''Scions of the Storm''' by Anthony Reynolds, '''The Voice''' by James Swallow, '''Call of the Lion''' by Gav Thorpe, '''The Last Church''' by Graham McNeill and '''After Desh'ea''' by Matthew Farrer.
===Book 11 to Book 20===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{anchor|book11}}'''11. Fallen Angels: deceit and betrayal'''


=== Book 11 to Book 20 ===
''Fallen Angels'' continues the Dark Angels tale begun in Book&nbsp;6, ]. The novel starts around the time of Book&nbsp;6's conclusion, about 50&nbsp;years before the Heresy, but forwards to just about the time of the Heresy's beginning in the opening chapters. It tells two stories: one concerns the effort of Primarch Lion El'Jonson and a small group of Dark Angels to deny a {{em|forge world}} (a planet devoted to manufacturing, especially of weapons) to Horus' forces; the other is the story of Luther (Lion El'Jonson's ]), ] (by now a full Space Marine), and a Dark Angels contingent sent back to ], the Dark Angels Legion home world. They get involved in the fight against a growing ] that seeks to free the planet from under the Imperium's thumb.
{{anchor|book11}}'''11. Fallen Angels: Deceit and betrayal'''


''Fallen Angels'' continues the Dark Angels tale begun in Book&nbsp;6, '']''. The novel starts around the time of Book&nbsp;6's conclusion, about 50&nbsp;years before the Heresy, but forwards to just about the time of the Heresy's beginning in the opening chapters. It tells two stories: one concerns the effort of Primarch Lion El'Jonson and a small group of Dark Angels to deny a {{em|forge world}} (a planet devoted to manufacturing, especially of weapons) to Horus' forces; the other is the story of Luther (Lion El'Jonson's ]), ] (by now a full Space Marine), and a Dark Angels contingent sent back to ], the Dark Angels Legion home world. They get involved in the fight against a growing ] that seeks to free the planet from under the Imperium's thumb.
{{anchor|book12}}'''12. A Thousand Sons: all is dust...'''


{{anchor|book12}}'''12. A Thousand Sons: All is dust...'''
''A Thousand Sons'' is the story of Primarch ] and the "Thousand Sons" Space Marines, the 15th&nbsp;Legion; it mainly takes place before the Heresy begins. Following a reprimand by the ] for dabbling in ], Magnus and his Legion secretly continue to study the forbidden subjects. Then, around the time of Horus' corruption (]), Magnus learns through sorcery of his brother's impending betrayal. He tries{{spnd}} again through sorcery{{spnd}} to warn the Emperor, believing that the gravity of the news justifies his disobedience. However, he overreaches with his powers and damages the vital and secret project the Emperor is undertaking (]), endangering the safety of Terra itself in the process. The Emperor is enraged and orders ], Primarch of the 6th&nbsp;Legion (the "Space Wolves"), to {{em|id=prospero|1=Prospero}}, the Thousand Sons Legion's in&#8209;series home world. The Space Wolves, accompanied by other Imperial forces, are to bring Magnus and his Legion to Terra to account for themselves.{{r|b12-rev|b12b15-rev}}


''A Thousand Sons'' is the story of Primarch ] and the "Thousand Sons" Space Marines, the 15th&nbsp;Legion; it mainly takes place before the Heresy begins. Following a reprimand by the ] for dabbling in ], Magnus and his Legion secretly continue to study the forbidden subjects. Then, around the time of Horus' corruption (]), Magnus learns through sorcery of his brother's impending betrayal. He tries{{spnd}} again through sorcery{{spnd}} to warn the Emperor, believing that the gravity of the news justifies his disobedience. However, he overreaches with his powers and damages the vital and secret project the Emperor is undertaking (]), endangering the safety of Terra itself in the process. The Emperor is enraged and orders ], Primarch of the 6th&nbsp;Legion (the "Space Wolves"), to {{em|id=prospero|Prospero}}, the Thousand Sons Legion's in‑series home world. The Space Wolves, accompanied by other Imperial forces, are to bring Magnus and his Legion to Terra to account for themselves.{{r|b12-rev|b12b15-rev}}
{{anchor|book13}}'''13. Nemesis: war within the shadows'''


{{anchor|book13}}'''13. Nemesis: War within the shadows'''
''Nemesis'' is set about two years after the events on Isstvan&nbsp;V described in Book&nbsp;5, ]. It is a look at the war behind the war, the ]s undertaken by the opposing sides in order to influence the visible conflict. Specifically, it deals with a plan by a secret Imperial organisation, the {{em|id=oa|1=Officio Assassinorum}}, to eliminate Horus; an "Execution Force" consisting of operatives from all of the Officio's disciplines, and led by top-rated ] ], is tasked with the mission. There have been several previous unsuccessful attempts against Horus' life, and this gives ] of the Traitor Word Bearers Legion the idea to field a ] weapon of his own: a highly specialised assassin, who is to be used in an audacious scheme to kill the Emperor.{{r|b13-rev}}


''Nemesis'' is set about two years after the events on Isstvan&nbsp;V described in Book&nbsp;5, '']''. It is a look at the war behind the war, the ]s undertaken by the opposing sides in order to influence the visible conflict. Specifically, it deals with a plan by a secret Imperial organisation, the {{em|id=oa|Officio Assassinorum}}, to eliminate Horus; an "Execution Force" consisting of operatives from all of the Officio's disciplines, and led by top-rated ] ], is tasked with the mission. There have been several previous unsuccessful attempts against Horus' life, and this gives ] of the Traitor Word Bearers Legion the idea to field a ] weapon of his own: a highly specialised assassin, who is to be used in an audacious scheme to kill the Emperor.{{r|b13-rev}}
{{anchor|book14}}'''14. The First Heretic: fall to Chaos'''

{{anchor|book14}}'''14. The First Heretic: Fall to Chaos'''


''The First Heretic'' details the fall to ] of Primarch ] and the {{nowrap|17th Space Marine Legion,}} the "Word Bearers". Decades before the start of the rebellion they become ] relative to the ] by introducing ]. This results in public and humiliating censure of Lorgar and the entire assembled Legion, by the Emperor himself. The despairing Lorgar is subsequently swayed by two of his most trusted lieutenants, who are in secret allegiance with Chaos; eventually both Primarch and Legion covertly embrace (and promote) the ], many years before Horus' corruption. The story is largely told from the point of view of ], a Captain of the Word Bearers, who becomes commander of a Chaos-] elite Legion unit. It spans several decades, starting 43&nbsp;years before the events on Isstvan&nbsp;V (]) and concluding around the time the Word Bearers are on their way to assault Calth (]).{{r|b14-rev}} ''The First Heretic'' details the fall to ] of Primarch ] and the {{nowrap|17th Space Marine Legion,}} the "Word Bearers". Decades before the start of the rebellion they become ] relative to the ] by introducing ]. This results in public and humiliating censure of Lorgar and the entire assembled Legion, by the Emperor himself. The despairing Lorgar is subsequently swayed by two of his most trusted lieutenants, who are in secret allegiance with Chaos; eventually both Primarch and Legion covertly embrace (and promote) the ], many years before Horus' corruption. The story is largely told from the point of view of ], a Captain of the Word Bearers, who becomes commander of a Chaos-] elite Legion unit. It spans several decades, starting 43&nbsp;years before the events on Isstvan&nbsp;V (]) and concluding around the time the Word Bearers are on their way to assault Calth (]).{{r|b14-rev}}


{{anchor|book15}}'''15. Prospero Burns: the Wolves unleashed''' {{anchor|book15}}'''15. Prospero Burns: The Wolves unleashed'''


''Prospero Burns'' is part of the story arc of ], however it follows a different but related timeline. The story begins more than a century before the Space Wolves-led mission to ], and the concurrent start of the Heresy. It is presented from the point of view of ], formerly a noted Terran academic who becomes a ], and then the ] or {{lang|da|]}} of the 3rd&nbsp;Company of the Space Wolves Legion. On the surface it is his story; the important understory concerns the long-term machinations of Chaos, whose aim is the destruction of both Space Wolves and Thousand Sons. Chaos attempts to exploit the weaknesses of the Primarchs and their Legions in order to pit them against each other{{spnd}} the ultimate result is the confrontation on Prospero. While this confrontation is taking place, Horus' previously covert rebellion becomes visible (]). The novel also adds background to Horus' fall and to the planning of the Heresy campaign by Chaos and its forces.{{r|b12b15-rev}} ''Prospero Burns'' is part of the story arc of ], however it follows a different but related timeline. The story begins more than a century before the Space Wolves-led mission to ], and the concurrent start of the Heresy. It is presented from the point of view of ], formerly a noted Terran academic who becomes a ], and then the ] or {{lang|da|]}} of the 3rd&nbsp;Company of the Space Wolves Legion. On the surface it is his story; the important understory concerns the long-term machinations of Chaos, whose aim is the destruction of both Space Wolves and Thousand Sons. Chaos attempts to exploit the weaknesses of the Primarchs and their Legions in order to pit them against each other{{spnd}} the ultimate result is the confrontation on Prospero. While this confrontation is taking place, Horus' previously covert rebellion becomes visible (]). The novel also adds background to Horus' fall and to the planning of the Heresy campaign by Chaos and its forces.{{r|b12b15-rev}}


{{anchor|book16}}'''16. Age of Darkness''' {{anchor|book16}}'''16. Age of Darkness'''


''Age of Darkness'' is a compilation of nine short stories by various authors.{{r|b16-toc}} They take place during the seven&#8209;year period between the Dropsite Massacre on Isstvan&nbsp;V (]), and the conclusion of Horus' campaign. The stories present various facets of the unfolding conflict, as suspicion, insecurity, and paranoia spread through the galaxy on the wake of the Warmaster's betrayal. Subjects include: ] prepares for the end of the Imperium; a Traitor ] topples an Imperial planet; an unusual diplomatic contest will decide which side will be chosen by a world on the fence; a non-combatant may be a rebel agent or a herald of unpalatable truths for the Imperium; a Loyalist Space Marine in a Traitor Legion holds his own against his erstwhile brothers. Several of the included stories are linked through continuity; some are also prequels or sequels to stories in other series books.{{r|pre-seq|b16-rev}} ''Age of Darkness'' is a compilation of nine short stories by various authors.{{r|b16-toc}} They take place during the seven‑year period between the Dropsite Massacre on Isstvan&nbsp;V (]), and the conclusion of Horus' campaign. The stories present various facets of the unfolding conflict, as suspicion, insecurity, and paranoia spread through the galaxy on the wake of the Warmaster's betrayal. Subjects include: ] prepares for the end of the Imperium; a Traitor ] topples an Imperial planet; an unusual diplomatic contest will decide which side will be chosen by a world on the fence; a non-combatant may be a rebel agent or a herald of unpalatable truths for the Imperium; a Loyalist Space Marine in a Traitor Legion holds his own against his erstwhile brothers. Several of the included stories are linked through continuity; some are also prequels or sequels to stories in other series books.{{r|pre-seq|b16-rev}}

This anthology contains the following stories: '''Rules of Engagement''' by Graham McNeill, '''Liar's Due''' by James Swallow, '''Forgotten Sons''' by Nick Kyme, '''The Last Remembrancer''' by John French, '''Rebirth''' by Chris Wraight, '''The Face of Treachery''' by Gav Thorpe, '''Little Horus''' by Dan Abnett, '''The Iron Within''' by Rob Sanders, '''Savage Weapons''' by Aaron Dembski-Bowden.


{{anchor|book17}}'''17. The Outcast Dead: the truth lies within''' {{anchor|book17}}'''17. The Outcast Dead: The truth lies within'''


''The Outcast Dead'' is the first novel-length story in the series to take place almost entirely on Terra. It covers a relatively short period, starting several months before ]' catastrophic psychic visit at the Imperial Palace (]), and concluding several months after this event. The unauthorised visit is central to the story: apart from damaging the Emperor's top secret project (]) and the planet's defense, it massively disrupts Terra's long-range communications infrastructure. The ensuing isolation and confusion cause indecision and delays for the Loyalist side. The story's main character is ], previously a gifted Imperial ] attached to the Ultramarines Legion. He unwittingly becomes the keeper of a secret that could decide the victor in the developing galactic civil war. The secret has additional implications regarding the Heresy's conclusion and the future course of the Imperium of Man. "The Outcast Dead" are other protagonists: a small, disparate group of Space Marines suspected as traitors, with whom Zulane falls in during the second half of the book.{{r|b17-con|b17-rev}} ''The Outcast Dead'' is the first novel-length story in the series to take place almost entirely on Terra. It covers a relatively short period, starting several months before ]' catastrophic psychic visit at the Imperial Palace (]), and concluding several months after this event. The unauthorised visit is central to the story: apart from damaging the Emperor's top secret project (]) and the planet's defense, it massively disrupts Terra's long-range communications infrastructure. The ensuing isolation and confusion cause indecision and delays for the Loyalist side. The story's main character is ], previously a gifted Imperial ] attached to the Ultramarines Legion. He unwittingly becomes the keeper of a secret that could decide the victor in the developing galactic civil war. The secret has additional implications regarding the Heresy's conclusion and the future course of the Imperium of Man. "The Outcast Dead" are other protagonists: a small, disparate group of Space Marines suspected as traitors, with whom Zulane falls in during the second half of the book.{{r|b17-con|b17-rev}}


{{anchor|book18}}'''18. Deliverance Lost: ghosts of Terra''' {{anchor|book18}}'''18. Deliverance Lost: Ghosts of Terra'''


''Deliverance Lost'' is mainly concerned with the actions of Primarch ] and his Space Marine Command, {{nowrap|the 19th Legion}} or "Raven Guard", during the year following the ] (]). However, operatives and the ] play a prominent role. The story starts about 3&nbsp;months after the Dropsite Massacre, with the unexpected rescue of Corax and the remnants of his Legion (at less than 5%&nbsp;strength due to casualties in that battle). Arriving at Terra a few months after the events described in ] take place, Corax convinces the Emperor to impart to him the knowledge and material that may accelerate the rebuilding of his Legion. The second part of the novel describes the effort to reconstitute the Raven Guard, undertaken on {{em|Deliverance}} (its home world in Warhammer&nbsp;40,000 fiction), and the pursuit of opposite objectives by the Alpha Legion. The novel features the reappearance of ] (]), and of other well-known characters; it also adds information about the developing strategies and subterfuge applied by the opposing sides, including reasons for Horus' timetable and for the Emperor's actions during the initial stages of the Heresy. ''Deliverance Lost'' is mainly concerned with the actions of Primarch ] and his Space Marine Command, {{nowrap|the 19th Legion}} or "Raven Guard", during the year following the ] (]). However, operatives and the ] play a prominent role. The story starts about 3&nbsp;months after the Dropsite Massacre, with the unexpected rescue of Corax and the remnants of his Legion (at less than 5%&nbsp;strength due to casualties in that battle). Arriving at Terra a few months after the events described in '']'' take place, Corax convinces the Emperor to impart to him the knowledge and material that may accelerate the rebuilding of his Legion. The second part of the novel describes the effort to reconstitute the Raven Guard, undertaken on {{em|Deliverance}} (its home world in ''Warhammer&nbsp;40,000'' fiction), and the pursuit of opposite objectives by the Alpha Legion. The novel features the reappearance of ] (]), and of other well-known characters; it also adds information about the developing strategies and subterfuge applied by the opposing sides, including reasons for Horus' timetable and for the Emperor's actions during the initial stages of the Heresy.


{{anchor|book19}}'''19. Know No Fear: the battle of Calth''' {{anchor|book19}}'''19. Know No Fear: The battle of Calth'''


''Know No Fear'' documents the rebels' surprise assault on Calth, an ascendant ] world. It is planned and led by the Traitor Word Bearers Legion, now fully and openly committed to the spread of the ]. The narrative starts close to where the timelines of ] and ] converge (in their respective conclusions), with the invasion force en route to, or near the planet. The rebel mission ] just delivering a crippling blow to the Ultramarines Legion and their home system; its objectives may affect the entire Heresy campaign. The story tracks the Calth assault from its opening covert phases, and the actions of several characters. Unaware of the developing rebellion and the Word Bearers' true role and allegiance, Primarch ] and his Ultramarines are unprepared for the underhand invasion: it is total, bloody war, with ]istic undertones, ] tactics, decisive use of technology, and the considerable involvement of ]; the inconceivable treachery and its implications forever change the Loyalists' view of reality.{{r|b19-rev}} ''Know No Fear'' documents the rebels' surprise assault on Calth, an ascendant ] world. It is planned and led by the Traitor Word Bearers Legion, now fully and openly committed to the spread of the ]. The narrative starts close to where the timelines of ] and ] converge (in their respective conclusions), with the invasion force en route to, or near the planet. The rebel mission ] just delivering a crippling blow to the Ultramarines Legion and their home system; its objectives may affect the entire Heresy campaign. The story tracks the Calth assault from its opening covert phases, and the actions of several characters. Unaware of the developing rebellion and the Word Bearers' true role and allegiance, Primarch ] and his Ultramarines are unprepared for the underhand invasion: it is total, bloody war, with ]istic undertones, ] tactics, decisive use of technology, and the considerable involvement of ]; the inconceivable treachery and its implications forever change the Loyalists' view of reality.{{r|b19-rev}}
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{{anchor|book20}}'''20. The Primarchs''' {{anchor|book20}}'''20. The Primarchs'''


''The Primarchs'' is a compilation of four novellas by different authors, each story starring one of the ] of the Emperor.{{r|b20-toc}} The novellas further ] these characters, who make multiple appearances in the series: following the Dropsite Massacre (]), ], perversely empowered by his own corruption, reveals his true nature and future plans to top officers of his compromised Legion; during a Great Crusade campaign against the enigmatic Eldar, ], already beset by unsettling dreams, is subjected by alien sorcerers to stark, portendous visions and warnings about his future and role in the soon to be revealed Heresy; with Horus' rebellion in full swing after ], a suspicious and isolated ] accepts the newly revealed realities of the ] and decides on an independent course of action for the Dark Angels in the unfolding conflict; around the same time, and plotting a typically indecipherable course in the expanding war, ] of the Alpha Legion is involved in a unique ] operation that extends the Legion's customary deceptions inwards.{{r|b20-rev}} ''The Primarchs'' is a compilation of four novellas by different authors, each story starring one of the ] of the Emperor.{{r|b20-toc}} The novellas further ] these characters, who make multiple appearances in the series: following the Dropsite Massacre (]), ], perversely empowered by his own corruption, reveals his true nature and future plans to top officers of his compromised Legion; during a Great Crusade campaign against the enigmatic Eldar, ], already beset by unsettling dreams, is subjected by alien sorcerers to stark, portentous visions and warnings about his future and role in the soon to be revealed Heresy; with Horus' rebellion in full swing after ], a suspicious and isolated ] accepts the newly revealed realities of the ] and decides on an independent course of action for the Dark Angels in the unfolding conflict; around the same time, and plotting a typically indecipherable course in the expanding war, ] of the Alpha Legion is involved in a unique ] operation that extends the Legion's customary deceptions inwards.{{r|b20-rev}}


This anthology contains the following stories: '''The Reflection Crack'd''' by Graham McNeill, '''Feat of Iron''' by Nick Kyme, '''The Lion''' by Gav Thorpe and '''The Serpent Beneath''' by Rob Sanders.
===Book 21 and above===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{anchor|book21}}'''21. Fear to Tread: the Angel falls'''


=== Book 21 to Book 30 ===
''Fear to Tread'' describes an operation by the forces of Chaos that is supposed to turn Primarch ] and the {{nowrap|9th Space Marine Legion,}} the "Blood Angels", to their cause. To succeed, Chaos plans to take advantage of a ] in Sanguinius' and the Legion's ]. As the Heresy is getting under way, the outwardly still loyal ] orders the entire 9th&nbsp;Legion and their unsuspecting Primarch to a remote star system. There they find themselves isolated and ambushed, fighting a new kind of war{{spnd}} against ] and ]{{spnd}} designed to trigger the Legion's flaw. The plan almost succeeds; yet conflicting agendas among anti-Imperial protagonists, as well as the fortitude and unorthodox tactics of quick-to-adapt Blood Angels, narrowly result in Loyalist victory. In the meantime Horus' rebellion erupts openly and the Loyalists suffer catastrophic losses in the Dropsite Massacre (]). Sanguinius and his Legion, now fully aware of the great betrayal and the reality of Chaos, race to the defense of Terra and the Emperor while buffeted by unprecedented navigational difficulties; it is hinted that these are related to the action in the Ultramar system (Books&nbsp;] and&nbsp;]).{{r|b21-rev}}

{{anchor|book21}}'''21. Fear to Tread: The angel falls'''

''Fear to Tread'' describes an operation by the forces of Chaos that is supposed to turn Primarch ] and the {{nowrap|9th Space Marine Legion,}} the "Blood Angels", to their cause. To succeed, Chaos plans to take advantage of a ] in Sanguinius' and the Legion's ]. As the Heresy is getting under way, the outwardly still loyal ] orders the entire 9th&nbsp;Legion and their unsuspecting Primarch to a remote star system. There they find themselves isolated and ambushed, fighting a new kind of war{{spnd}} against ] and daemons{{spnd}} designed to trigger the Legion's flaw. The plan almost succeeds; yet conflicting agendas among anti-Imperial protagonists, as well as the fortitude and unorthodox tactics of quick-to-adapt Blood Angels, narrowly result in Loyalist victory. In the meantime Horus' rebellion erupts openly and the Loyalists suffer catastrophic losses in the Dropsite Massacre (]). Sanguinius and his Legion, now fully aware of the great betrayal and the reality of Chaos, race to the defense of Terra and the Emperor while buffeted by unprecedented navigational difficulties; it is hinted that these are related to the action in the Ultramar system of Calth (Books&nbsp;] and&nbsp;]).{{r|b21-rev}}


{{anchor|book22}}'''22. Shadows of Treachery''' {{anchor|book22}}'''22. Shadows of Treachery'''


''Shadows of Treachery'' is a compilation that collects five short stories previously published in ], ]s, or other formats, and also contains two new novellas.{{r|b22-toc}} Most of the stories involve the {{nowrap|7th or 8th Space Marine Legions,}} respectively the Loyalist "Imperial Fists" and Traitor "Night Lords", and their Primarchs ] and ]. Other Legions and Primarchs are also featured, while one short story takes place on Mars and illuminates an aspect of the ]. One of the novellas is mainly about an all-out close-quarters space battle, between a Loyalist {{em|id=r-fleet|1=Retribution Fleet}} sent to punish Horus following the events of Isstvan&nbsp;III (]) and the Traitor fleet that ambushes it; the other new novella deals with the aftermath of another naval engagement in space that cripples the Night Lords Legion. The narratives of all stories fill gaps in the series or add further details about the Heresy and its actors; they cover periods that range from several decades before the conflict to around the time frame of ] (one short story is a prequel to that novel).{{r|b22-rev}} ''Shadows of Treachery'' is a compilation that collects five short stories previously published in ], ]s, or other formats, and also contains two new novellas.{{r|b22-toc}} Most of the stories involve the {{nowrap|7th or 8th Space Marine Legions,}} respectively the Loyalist "Imperial Fists" and Traitor "Night Lords", and their Primarchs ] and ]. Other Legions and Primarchs are also featured, while one short story takes place on Mars and illuminates an aspect of the ]. One of the novellas is mainly about an all-out close-quarters space battle, between a Loyalist {{em|id=r-fleet|Retribution Fleet}} sent to punish Horus following the events of Isstvan&nbsp;III (]) and the Traitor fleet that ambushes it; the other new novella deals with the aftermath of another naval engagement in space that cripples the Night Lords Legion. The narratives of all stories fill gaps in the series or add further details about the Heresy and its actors; they cover periods that range from several decades before the conflict to around the time frame of ] (one short story is a prequel to that novel).{{r|b22-rev}}

This anthology contains the following stories: '''The Crimson Fist''' by John French, '''The Dark King''' by Graham McNeill, '''The Lightning Tower''' by Dan Abnett, '''The Kaban Project''' by Graham McNeill, '''Raven's Flight''' by Gav Thorpe, '''Death of a Silversmith''' by Graham McNeill and '''Prince of Crows''' by Aaron Dembski-Bowden.


{{anchor|book23}}'''23. Angel Exterminatus: flesh and iron''' {{anchor|book23}}'''23. Angel Exterminatus: Flesh and iron'''


''Angel Exterminatus'' covers a Traitor operation in uncharted and dangerous galactic space, that may purportedly decide the war in favour of the rebels. The story provides further glimpses of disparate motivations and conflicting objectives among traitor factions as the Heresy campaign continues. It is taking place some time after the Dropsite Massacre (]), shortly following the events described by two novellas (Books&nbsp;] and&nbsp;]).{{r|b23-pre}} Featured are the 4th&nbsp;Legion of Space Marines, the "Iron Warriors", renowned ] masters of the Great Crusade, and their Primarch ]. However the core plot is set in motion by ] and the Emperor's Children, who share the spotlight. The embittered Iron Warriors have aligned with Horus out of frustration with the ignominious and unheralded role assigned them by the Imperium; before the story begins, they lash out in unforgivable ]. In the story, they are invited to the freelance operation (which is unknown to ]) by Fulgrim and his Legion, who have their own agenda. The operation's true goal is kept secret from Perturabo and his Space Marines, who come to realise that not all fellow rebels can be trusted. A side thread involves ], the chief medical officer of the Emperor's Children, and the Traitors' top ]; he is on a no-holds-barred quest to exceed the Emperor's genetic achievements.{{r|b23-rev}} ''Angel Exterminatus'' covers a Traitor operation in uncharted and dangerous galactic space, that may purportedly decide the war in favour of the rebels. The story provides further glimpses of disparate motivations and conflicting objectives among traitor factions as the Heresy campaign continues. It is taking place some time after the Dropsite Massacre (]), shortly following the events described by two novellas (Books&nbsp;] and&nbsp;]).{{r|b23-pre}} Featured are the 4th&nbsp;Legion of Space Marines, the "Iron Warriors", renowned ] masters of the Great Crusade, and their Primarch ]. However the core plot is set in motion by ] and the Emperor's Children, who share the spotlight. The embittered Iron Warriors have aligned with Horus out of frustration with the ignominious and unheralded role assigned them by the Imperium; before the story begins, they lash out in unforgivable ]. In the story, they are invited to the freelance operation (which is unknown to ]) by Fulgrim and his Legion, who have their own agenda. The operation's true goal is kept secret from Perturabo and his Space Marines, who come to realise that not all fellow rebels can be trusted. A side thread involves ], the chief medical officer of the Emperor's Children, and the Traitors' top ]; he is on a no-holds-barred quest to exceed the Emperor's genetic achievements.{{r|b23-rev}}


{{anchor|book24}}'''24. Betrayer: blood for the Blood God''' {{anchor|book24}}'''24. Betrayer: Blood for the Blood God'''


''Betrayer'' returns the series to the action in the ]; it starts around the time the events of ] begin to unfold. Unlike that story, ''Betrayer'' is presented from the perspective of the rebels, in this case the World Eaters and Word Bearers Legions, and often through the particular viewpoint of ], Captain of the 8th Company of the World Eaters and ] to Primarch ]. In tenuous and fragile cooperation, the two very different Traitor Legions lay waste to worlds across Ultramar; it is a "Shadow Crusade" meticulously planned by Primarch ] of the Word Bearers, who deploys ]-class spaceships. The campaign's ] is the destruction or isolation of the powerful Ultramarines Legion, its home star system, and the system's considerable resources; removing Ultramar as a factor in the war is one of Horus' primary objectives. The scheming Primarch of the Word Bearers orchestrates genocide in unprecedented scale, as a way to ] the powers of Chaos. With their help, he hopes to generate the so-called {{em|id=Ruinstorm|Ruinstorm}}, an immense interdimensional disturbance that will create an impenetrable veil around Ultramar. As the final piece of his plan, Lorgar engineers the "ascension" into daemonhood of the increasingly unstable Angron: the event is to act as the conduit for the unnatural storm.{{r|b24-rev|b24-sub}} ''Betrayer'' returns the series to the action in the ]; it starts around the time the events of ] begin to unfold. Unlike that story, ''Betrayer'' is presented from the perspective of the rebels, in this case the World Eaters and Word Bearers Legions, and often through the particular viewpoint of ], Captain of the 8th Company of the World Eaters and ] to Primarch ]. In tenuous and fragile cooperation, the two very different Traitor Legions lay waste to worlds across Ultramar; it is a "Shadow Crusade" meticulously planned by Primarch ] of the Word Bearers, who deploys '']''-class spaceships. The campaign's ] is the destruction or isolation of the powerful Ultramarines Legion, its home star system, and the system's considerable resources; removing Ultramar as a factor in the war is one of Horus' primary objectives. The scheming Primarch of the Word Bearers orchestrates genocide in unprecedented scale, as a way to ] the powers of Chaos. With their help, he hopes to generate the so-called {{em|id=Ruinstorm|Ruinstorm}}, an immense interdimensional disturbance that will create an impenetrable veil around Ultramar. As the final piece of his plan, Lorgar engineers the "ascension" into daemonhood of the increasingly unstable Angron: the event is to act as the conduit for the unnatural storm.{{r|b24-rev|b24-sub}}


{{anchor|book25}}'''25. Mark of Calth''' {{anchor|book25}}'''25. Mark of Calth'''


''Mark of Calth'' is the fifth compilation to appear in the series; it contains seven short stories and one novella, each by a different author.{{r|b25-toc}} The stories further describe aspects of the rebels' Ultramar campaign, as close prequels or sequels of Books&nbsp;] and&nbsp;]. "Premium" editions and the e&#8209;audiobook version were released April&nbsp;2013; text-based general release editions were expected mid-to-late&nbsp;2013.{{Update after|2013|08|31|reason=text eds. published?}}{{r|eds|exclusive}} ''Mark of Calth'' is the fifth compilation to appear in the series; it contains seven short stories and one novella, each by a different author.{{r|b25-toc}} The stories further describe aspects of the rebels' Ultramar campaign, as close prequels or sequels of Books&nbsp;] and&nbsp;]. "Premium" editions and the e‑audiobook version were released April 2013; text-based general release editions were expected mid-to-late&nbsp;2013.{{Update after|2013|08|31|reason=text eds. published?}}{{r|eds|exclusive}}
<!-- ATTENTION EDITORS: ADD BOOK SYNOPSIS JUST ABOVE THIS COMMENT -->


This anthology contains the following stories: '''The Shards of Erebus''' by ], '''Calth That Was''' by Graham McNeill, '''Dark Heart''' by Anthony Reynolds, '''The Traveller''' by ], '''A Deeper Darkness''' by Rob Sanders, '''The Underworld War''' by Aaron Dembski-Bowden and '''Unmarked''' by Dan Abnett.
=={{anchor|media}}Media and editions<!-- Section linked from within this article and ] -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
Series titles are released in multiple versions: in print as ]s and ]s (with paperback editions printed in ] and ] formats); as ]; and as either ] or unabridged ] and e&#8209;audiobooks (respectively, in ] and ] formats{{spnd}} the Black Library has partnered with specialist UK company Heavy Entertainment for audio production).


{{anchor|book26}}'''26. Vulkan Lives: Unto the Anvil'''
{{As of|2013|04}}, print editions were generally {{nowrap|between 400 and 500 pages,}} though some ] versions have rendered in more; total series length in first paperback edition was about {{nowrap|10,600 print pages}} (24&nbsp;titles). Digital editions ranged in size from less than a ] (some e&#8209;book releases) to over a ] (some e&#8209;audiobook releases); the totals run from a low of about 10&nbsp;MB (for {{nowrap|22 e-book}} titles, in ] format) to a high of about 11&nbsp;GB (for 13&nbsp;unabridged titles, in ] format). Durations of audio versions spread from about 6&nbsp;hours for the abridged editions to anywhere between {{nowrap|11 and 19 hours}} for the unabridged editions; the total length of the unabridged edition was about 168&nbsp;hours, divided among 13&nbsp;titles. CD audiobooks were published in packages of 5&nbsp;discs per abridged title; two unabridged titles were available on CD, with the longest packaged in 13&nbsp;discs.{{r|b-physical|lst-note1}}


'' Vulkan Lives'' is the first book where the story of Vulkan is shown with a significant background. His memories coming back to him after his capture by his brother Konrad Curze aboard his ship modified by Perturabo himself. He learns more about his immortality, which seems to be a gift and a curse, one he preferred not to bear at all. The book adds more background concerning the battle at Istvaan V, at the same time showing the drama of a squad of his surviving sons and the shattered legions while they fight to retrieve an unknown artifact that will change the course of history in the coming days of the rebellion.
Outside the UK, series titles are published in several countries and languages by Black Library divisions or as ]s with local associates. {{As of|2013|04}}, other-language renditions lagged the English-language series in the number of released titles, and had followed distinct publication schedules and release sequences. Also {{As of|2013|04|lc=y}}, editions in other languages were published in paperback and e&#8209;book formats.


{{anchor|book27}}'''27. The Unremembered Empire: A light in the darkness'''
Starting November&nbsp;2010, new titles have often been released simultaneously in multiple media; occasionally since then, new titles' digital or audio releases have preceded the print versions, in reverse of previous practice (see table "Published" ]). Stories in series compilations have also been published individually, as e&#8209;books, and as MP3 or ] "audio shorts".


''Unremembered Empire'' happens after the events of the Battle of Phall, the Lion's capture of Konrad Curze, the return of Guilliman to Maccragge after the battle for Armatura and the Blood Angels trial at the battle for Signus Prime. An ancient device has been found on Sotha, one which could guide the mighty warships out of the impenetrable veil that cut off Ultramar from the rest of the Imperium. Strange events start to happen after the arrival of members of the Cabal organization; a Word Bearer Legionnaire seeking redemption for his Legion and the Night Lords' Primarch begin their search for an unknown "object" that fell from orbit straight to the hands of Guilliman. Secrecy between him and the Lion might bring undesired conflict between the brothers in this time of treachery, while Sanguinius manages to come back from his trial on Signus Cluster to learn from Guilliman's plan for a new Empire.
Series stories have appeared in whole or in part in other Black Library publications, sometimes before the corresponding series books have become generally available; prepublications have included stand-alone releases of compilation stories. "Prerelease" copies of series volumes have been regularly offered months before official publication, in Games Workshop- and Black Library&#8209;sponsored events such as the various ]s.{{r|other-pub}}


{{anchor|book28}}'''28. Scars: A Legion divided'''
There have been a number of special editions and ] published in a variety of media; bundles have included the "Horus Heresy Collections", which mix editions and media of the same or different titles. In concert with established industry practice, certain special editions are available in limited distribution months before the release of the corresponding regular, or wider-release, versions.


''Scars'' is the first book that centers on the White Scars. The White Scars have not yet received news of the civil war waging across the Imperium. For the past two years, the legion has been cleansing the Chondax System of an Ork infestation. Because of the artificial warp storms created by the Alpha Legion, the Chondax system has been completely cut off from all communication. With the destruction of the device responsible for maintaining the warp storms (as detailed in the short story, '''The Serpent Beneath''', found in ]), the White Scars begin to receive a flood of conflicting information. Some reports say that Leman Russ has turned traitor and killed Magnus on Prospero. Other reports indicate that Horus has turned against the Emperor. Perhaps most consequentially, the White Scars receive a distress call from the Space Wolves, who are under attack from the Alpha Legion. Not knowing what to believe, the Khan orders the White Scars to Prospero in a search for answers, leaving the Space Wolves to fend for themselves. Meanwhile, the warrior lodges embedded within the White Scars activate, intending to force the Khan into declaring for Horus. The book centers around the Khan's decision of which side to join: his traitor friend and brother, or his lying, tyrant father.
The books' cover art has been separately released, in ] and other formats. Series bundles and special offers have also contained the separate artwork releases of the included titles.{{r|eds|exclusive}}


{{anchor|book29}}'''29. ''Vengeful Spirit'': The Battle of Molech'''
==={{anchor|premium}}"Premium" editions<!-- Section linked from within this article -->===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
English-language series releases include publishing of the titles in special "premium" editions: "Premium Hardback" (print) and "Enhanced Ebook" (digital). These versions contain additional material and artwork, and are published several months before their general-availability or regular edition counterparts. The first title to appear in "premium" editions, in October&nbsp;2012, was ] (Book&nbsp;23). The earlier catalogue of the series is also republished in these editions, again beginning October&nbsp;2012 with the series-opening ].{{r|hh-pe|b1-rev|exclusive}}


Sometime after the creation of the Ruinstorm (]), Horus conquers the world of Dwell. There, he learns a secret about the Emperor: long ago, at the start of humanity's great diaspora to the stars, the Emperor travelled to a planet called Molech. There, the Emperor made a bargain with the Chaos Gods for power and knowledge. With this power, the Emperor became a god; with this knowledge, he created the primarchs. After obtaining this power and knowledge from the Gods, however, the Emperor broke the bargains he made with them. Seeking this power for himself, Horus enlists Mortarion (after facing Jaghatai in ]) and Fulgrim (after his ascension to daemonhood in ]) to help him retrace the Emperor's steps on Molech. Meanwhile, Garviel Loken is charged by Malcador to infiltrate Horus’ flagship, the ''Vengeful Spirit'', to prepare the way for an assassination attempt on Horus by Leman Russ. Loken leads a band of Malcador's Knights Errant to the ship and reconnoiters the interior, marking the passageways in futharc, the Space Wolves' runes, for Russ’ eventual assassination attempt. Ultimately, the Knights Errants are discovered and confronted by the Sons of Horus. Many of the Knights Errants are slain but some escape and survive, including Loken. Molech is eventually conquered with the aid of the treacherous Knight House Devine, which has pledged itself to Slaanesh. While campaigning, Horus learns of a gateway to the Warp that was created and used by the Emperor to meet with the Chaos Gods in their own domain. As Horus searches for the gateway, a perpetual named Alivia Sureka races to seal it shut forever. Ultimately, she fails and Horus breaches the gateway. Although he is gone from the material realm for mere moments, centuries pass for Horus in the immaterium. In those centuries, Horus won a thousand kingdoms in the empyrean, defied the gods, slayed monsters, and denied every prize offered to him. He claimed the power that the Emperor had claimed, but without deception, without bargaining, and without any promise to honour. Returning to the material realm, Horus is now a god of his own making, beholden to no one. Ready at last to face the Emperor, he issues the order to march on Terra itself.
===Other special editions (selections)===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
*{{anchor|book1-ae}}]{{spnd}} Dan Abnett. "5th Anniversary Edition" to mark the 5&#8209;year publishing history of the series. With {{" '}}titanium blue' foil treatment on the cover" and it includes "an exclusive new introduction by author Dan Abnett"{{r|bl-b1-ae|b1-rev}}{{spnd}} April&nbsp;2011{{r|b1-ae}}
* ''Limited Edition Horus Heresy Audio Boxset''{{spnd}} Dan Abnett, Ben Counter, Graham McNeill. Contains the abridged CD&#8209;audio versions of the series{{'}} opening trilogy narrated by Martyn Ellis. Abridged by Christian Dunn. Includes an exclusive bonus CD containing the short story "Little Horus" by Abnett, from the ] compilation, also read by Ellis. Total duration is about 18&nbsp;hours, contained in 16&nbsp;discs. Edition limited to 2,000&nbsp;copies worldwide{{r|bl-b1-3-as}}{{spnd}} November&nbsp;2011{{r|b1-3-as}}
* ''Xmas 2011 Horus Heresy eBundle''{{spnd}} ]. E&#8209;book edition of the first 17&nbsp;Books in the series. One of several series bundles, this was offered as a {{nowrap|"Christmas 2011 Special"}}{{spnd}} November&nbsp;2011{{r|b1-17-eb}}


{{anchor|book30}}'''30. The Damnation of Pythos: Thinning the veil'''
==Reception==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{As of|2013|04}}, the series as a whole was generally enjoying both popular and critical approval, with corresponding commercial success; favourable sales performance by the publisher has been credited to the series{{'}} popularity.{{r|sales-perform}} The considerable Warhammer&nbsp;40,000 fan base{{r|popularity}} embraced the work, and helped propel the product's sales: titles have consistently appeared in UK and US ] charts, have occupied high positions in ] genre lists, and since early&nbsp;2010 have often charted in ] for mass-market paperbacks.{{r|sales-direct}}


''The Damnation of Pythos'' occurs shortly after the Dropsite Massacre on Isstvan V. Remnants of the Shattered Legions (Iron Hands, Raven Guard, Salamanders) escape Isstvan and stumble upon the Pandorax System. One of the system's worlds, the death world of Pythos, is the source of a warp anomaly of great significance. The Shattered Legions decide to use it to strike back at the Traitor Legions. To do so, they must navigate the treacherous death world itself, the Ruinstorm trapping them in Pandorax, and their responsibility to the colonists and refugees that find their way to Pythos. Ultimately, the powerful daemon Madail manifests. In turn, Madail summons armies of deamons to the material realm. The planet falls to the daemons, who construct daemon starships from the remnants of the Shattered Legions' vessels. Although the Shattered Legions were able to send a one-word message to Terra as a warning before they were wiped out, the message is ignored by the Administratum.
'''{{vanchor|Reviews}}'''


=== Book 31 to Book 40 ===
Series books have been regularly reviewed; reviewers have often returned to the work to offer appraisals of additional releases. Reviews have typically appeared in genre-related media and ] or specialist websites; non-print and special editions of series titles have also been reviewed.{{r|reviews}} Critical reception of individual titles has been mixed, yet the general tone of reviews has been mostly positive. Although the series overall has been viewed favourably, there have been complaints about its length, the multitude of characters and narrative threads, and the timeline jumps or repetitions caused by the nonlinear storytelling.{{r|crit-balance}}
{{anchor|book31}}'''31. Legacies of Betrayal: Let the galaxy burn '''


''Legacies of Betrayal'' is an anthology of short stories.
Reviewers have commented on constraints that the underlying universe, and storyline continuity, may impose on authors. They have also ventured into perceived differences (in style or substance) among series authors, and have compared the handling of different series stories by the same author.{{r|crit-auth}} In addition, the evolving series is said to have gradually acquired a backstory and terminology of its own; this has lead reviewers to question the accessibility of individual stories to new or casual readers.{{r|crit-cmnt}}
* '''Brotherhood of the Storm''' is a precursor to ''Scars'' (]). It focuses first on the budding friendship of Shiban and Torghun featured in ''Scars'', as they wrap up the Chondax campaign. It also sheds light on Targutai Yesugei's psychic awakening on Chogoris and how he joined Jagahtai's khaganate. Finally, it records how Ilya Ravallion, the logistician from the Departmento Munitorum, came to join the White Scars.
* '''The Serpent''' features a Davinite priest, Thoros, who overthrows a nascent Chaos cult, presumably on Davin itself in preparation for the coming age of darkness.
* '''Hunter's Moon''' reveals the fate of the small pack of Space Wolves assigned by Malcador to guard Alpharius—or to slay him if he proved false.
* '''''Veritas Ferrum''''' is a precursor to ''The Damnation of Pythos'' (]), in which the ''Ferrum'' arrives at Istvaan while the battle is raging and then retreats in the face of certain annihilation.
* '''Riven''' centers on the Iron Hand representative to the Crusader Host, Crius, who is tasked by Rogal Dorn with finding the remnants of the Iron Hands and bringing them back to defend Terra. Ultimately, Crius stumbles upon a band of Iron Hands who have employed cybernetic resurrection to bring back dead, near-mindless Iron Hands to fight in machine bodies. Joining them, Crius pledges to return to Terra when summoned.
* '''Strike and Fade''' features four Salamander survivors fighting a guerrilla war on Istvaan V in the wake of the Dropsite Massacre.
* '''Honour to the Dead''' depicts Titan warfare on Calth in the moments immediately following the Word Bearers’ treachery.
* '''Butcher's Nails''' coincides/is a precursor to ''Betrayer''(]). It follows Angron and Lorgar's actions immediately prior to the launching of the Shadow Crusade. Notably, an Eldar assassination force attempts to kill Angron before he can become a Daemon Prince of Khorne.
* '''Warmaster''' is a soliloquy given by Horus to the skull of Ferrus Manus.
* '''Kryptos''' follows Nykona Sharrowkyn and Sabik Wayland as they conduct a mission on Cavor Sarta to capture a Kryptos, a bio-engineered coding device that will allow the Loyalists to intercept and decrypt Traitor communications.
* '''Wolf's Claw''' sees Bjorn One-Handed (soon to be Fell-handed) commandeer Terminator armor from the Legion armory during the fighting in Alaxxes against the Alpha Legion.
* '''Thief of Revelations''' sees Ahriman attempting to unravel the mystery behind the flesh-change of the Thousand Sons. Magnus refuses to help Ahriman in his pursuits, instead taking Ahriman on a journey through space and time. Magnus shows Ahriman the final battle of the Thramas Crusade, the Blood Angels' battle against the demons in the Signus Cluster, and the burning of Calth. Magnus says the time will come when the Thousand Sons must choose a side.
* '''The Divine Word''' takes place two and a half years after the Raven Guard assault of the Perfect Fortress. Imperial Commander Marcus Valerion is having dreams again, this time of a hydra. His dreams lead him to victory in battle on Eusa. Feeling the emptiness of the war engulfing him, he finds solace in the Lectitio Divinitatus.
* '''Lucius the Eternal Blade''' finds Lucius inexplicably alive after being killed on Iydris by Nykona Sharrokyn of the Raven Guard. In search of answers, he travels to the Planet of Sorcerers to face Sanakht, the best swordsman of the Thousand Sons. Just before Lucius lands the killing blow, however, Ahzek Ahriman intervenes.
* '''The Eightfold Path''' references the World Eaters turning from the Crimson Path to a darker path. The Daemon Primarch Angron's howls trigger a killing frenzy in Kharne during what should have a been a duel only to first blood.
* '''Guardian of Order''' centers on Zahariel as he revisits the Northwilds Arcology with Lord Cypher years after the events of Fallen Angels (]) to determine whether the area is a suitable location for a new fortress. However, something stirs deep within the once-purged tunnels. Fleeing the tunnel, Zahriel must raise the alarm: The Ouroboros is returning.
* '''Heart of the Conqueror''' features the sacrifice of Nisha Andrasta, Navigator of the World Eater's flagship, Conqueror. On board, the Daemon Primarch Angron warps the machine spirit of Conqueror and infects the entire ship. While connected to the ship and sailing through the warp, Nisha ends her own life, tearing the Conqueror from the warp in a cascade of screaming, tortured metal.
* '''Censure''' follows Aeonid Theil's guerrilla war on Calth and his attempt to escape the dead planet and return to the war at large.
* '''Lone Wolf''' previews Bjorn the Fel-handed's climactic duel against his daemon nemesis, Arvax.


{{anchor|book32}}'''32. Deathfire: Into the Ruinstorm '''
'''Fandom'''


After a seemingly miraculous rescue by the Ultramarines, Artellus Numeon, once captain of the Pyre Guard, urges the Salamanders on Macragge to depart Imperium Secundus and return their primarch's (seemingly deceased) body to the home world of Nocturne — there to attempt his resurrection in the fires of Mount Deathfire. But to do so they must brave the madness of the Ruinstorm, and Numeon has to decide what has to be done to bring Vulkan back from the grave...
With few exceptions, fans of the gaming and ] aspects of the Warhammer&nbsp;40,000 universe embraced the detailed, canonical exposition of its major myth that the series represents. As the work progressed, they have echoed the praise or complaints of reviewers; in addition, fans have criticised the mounting monetary cost of following Heresy-related literature in general, and the series in particular.{{r|fan-price}}


{{anchor|book33}}'''33. War Without End: Heresy begets retribution'''
As of ] {{As of|2013|03|alt=(March&nbsp;2013)}} the overall reaction remained positive. Warhammer&nbsp;40,000 ] was engaged in in-depth discussions of series books, of the work's impact on the larger fictional universe, and of its possible future direction. The series was followed in ] outlets, in wargaming- and science fiction-related ], and in ] sites, both those dedicated to Games Workshop products and others of a more general nature. Apart from story and character development, the fans' areas of interest have included the Books' art, the rendering of the stories in different media, and the authors' craftsmanship.


''War Without End'' is an anthology of short stories.
The discussions have touched less common subjects, such as the product's packaging and the merits of special editions. Comprehensive reviews of individual titles have been persistently posted, while detailed, knowledgeable analyses of the series as a whole have also appeared; perceived discrepancies, ], continuities (and discontinuities), allusions, and plot hints are readily pointed out and expounded on. In addition, series-related ] and artwork has appeared on a regular basis, while news or rumours regarding future official releases are closely scrutinised.{{r|fandom|fan-talk}}
* '''The Devine Adoratrice''' expands on the backstory of the Knight House of Devine on Molech, focussing on how the Knights of the Imperium work, and how they were so easily corrupted by Fulgrim during the Battle of Molech.
* '''Howl of the Hearthworld''' focuses on a pack of Space Wolves that are assigned to watch over Rogal Dorn on Terra. But they're not the only ones watching...
* '''Lord of the Red Sands''': Angron has a heart-to-heart with one of his World Eater captains on Istvaan III (a Loyalist one), where his past and his reasons joining Horus is given detail.
* '''Artefacts''': Set before the Dropsite Massacre, Vulkan and his Master of the forge discuss the nature of the Primarchs, how he tried to save Konrad Curze following the destruction of Nostramo, and how with Horus' betrayal now plain to all, he's going to deal with his secret vault of unique weaponry (hint: only seven will survive)
* '''Hands of the Emperor''': The Imperial Fists and the Legio Custodes clash over the responsibilities of securing Terra in preparation to Horus' inevitable attack.
* '''The Phoenician''': through the viewpoint of Iron Hand's First Captain Gabriel Santar's dying moments after his duel with Julius Kaeseron at the Dropsite Massacre, the death of Ferrus Manus and what immediately follows is observed.
* '''Sermon of Exodus''': Across the desert wastelands of Davin, the followers of Chaos prepare to depart the planet. Prequel to The Damnation of Pythos.
* '''By The Lion's Command''': Continuing his hunt for the infamous Typhon of the Death Guard following Perditus, Seneschal Corswain must decide the fate of an independent planet in a war where there can be no innocent bystanders.
* '''The Harrowing''': A textbook Alpha Legion assault is conducted upon Callistra Mundi (which is anything but textbook).
* '''All That Remains''': A group of shell-shocked/warp-shocked soldiers of the Imperial Army are given an offer by a grey-armoured giant that they simply can't refuse...
* '''Gunsight''': Following the events of ''Nemesis'', a surviving Imperial Assassin hunts down the Warmaster within the bowels of the Vengful Spirit. Unfortunately, he's not the only hunter inside the ship, and not all of them are flesh and blood...
* '''Allegiance''': Following his rescue by the White Scars in ''Scars'' (]), Revuel Arvida of the Thousand Sons Corvidae must decide his allegiance in the unfolding civil war, amidst the trails of those Khans who were part of the Lodges.
* '''Daemonology''': Following his disastrous mission to persuade Jagathai to join Horus, a weak and scared Mortarion of the Death Guard rampages across the remnants of Magnus' domain. On the library-world of Terathalion, he interrogates an archivist called Lermenta, but the ensuing discussion forces Mortarion to confront his history with father and Malcador, his own suppressed psychic potential, and his position of having to accept his place among the Lost and the Damned.
* '''Black Oculus''': Serving as the connective between ''Angel Exterminatus'' and ''Tallarn'', this short story is told through the view point of the navigators of the Iron Blood, and what changes on the physical, mental and metaphysical level they undergo on their journey out of the Eye of Terror.
* '''Virtues of the Sons''': Before the Heresy begins, a concerned Sanguinius organises educational duels for Captains Azkellon and Amit to understand the twin aspects of their nature, so that they will be ready for the coming trials of their Legion.
* '''The Laurel of Defiance''': With the Shadow Crusade scattered and Imperium Secundus on the rise, an Ultramarines Captain reflects on his nature on and off the battlefield, and what might have been had the Heresy not happened.
* '''A Safe and Shadowed Place''': Following the catastrophe of the Thramas Crusade, and with the Night Haunter and First Captain Sevatar missing, Gendor Skraivok plots his next course of action against the Imperium, with his gaze falling upon Sotha as a suitable target.
* '''Imperfect''': Fulgrim with the aid of Fabius tries to find the possibility of Ferrus Manus joining Horus, involving regicide, metal gauntlets, clones, an increasing number of homicidal rages, and a secret sequestered in the depths of the Traitor Apothecary's laboratory...
* '''Chirurgeon''': While conducting a confidential surgery, Fabius of the Emperor's Children reflects on the time before Fulgrim, when the Gene-Blight ravaged the IIIrd Legion, and of a deadly secret that the apothecary has tried very hard to keep buried...
* '''Twisted''': A closer look at the Maloghurst, emissary of the Warmaster Horus as he navigates the changing nature of the XVI Legion where rivalry and personal ambition run rampant, and to contend with a daemonic plot thrown into the bargain, the Twisted is going to have to make alliances with factions more twisted in soul than in body...
* '''Wolf Mother''': Following their escape from Horus' conquest of Molech, the Perpetual Alivia Sureka must ally with Knight-Errant Severian to finish off the malicious Serpent Cult once and for all to save her daughter.


{{anchor|book34}}'''34. Pharos: The dying of the light'''
'''{{vanchor|Sales}}'''


With the Ruinstorm unabating, Imperium Secundus stands as a lone beacon of hope for the Eastern Fringe even as Horus's galactic war continues to rage. At the centre of this endeavour, the mysterious Mount Pharos on Sotha holds the key to Secundus' success. But the cruel and slowly-changing Night Lords make ready to launch their long-planned attack on the Pharos itself, and the tormented Konrad Curze makes moves to confront his brother the Emperor Sanguinius. The resulting battles could lead to dark consequences for all life in the galaxy...
Early in its publishing history, the series became a sales success in its category. ] by Dan Abnett, the opening title, set the pace shortly after its release, topping ] magazine's "Locus Bestsellers: Gaming-Related" list of August&nbsp;2006; {{As of|2012|09|alt=as of ] (September&nbsp;2012),}} practically every title in the series had achieved the same or similar performance on this chart.{{r|loc-bsl}} ''Horus Rising''{{'}}s January&nbsp;2011 ] also appeared in ranked sales lists: the (abridged) edition was number&nbsp;15 in a related chart published by '']'', covering&nbsp;2011 UK sales up to September.{{r|bs-b1-cd}}


{{anchor|book35}}'''35. Eye of Terra: I am the Emperor's vigilance'''
] by Abnett, and ] by Ben Counter, were listed in Nielsen BookScan's list of top&#8209;20 fictional works by small publishers for the year ending on 23&nbsp;August 2008; the books appeared in eighth and sixteenth place respectively.{{r|bs-b7b8}} The next published title, ] by Graham McNeill, entered ''The Bookseller''{{'}}s "Top&nbsp;20 Fiction Heatseekers" chart of 5&nbsp;December 2008, shortly after its release, at number&nbsp;10; series titles have consistently appeared in this list.{{r|bs-b9etc}}


''Eye of Terra'' is an anthology of short stories.
] by McNeill was released in February&nbsp;2010 and arrived at number&nbsp;22 on The New York Times Bestseller List, the first ever novel on the Black Library imprint to do so.{{r|b15-bsl}} ] by James Swallow followed, reaching number&nbsp;26 on the List in August&nbsp;2010. ], by Aaron Dembski&#8209;Bowden, reached number&nbsp;28 in the weekly chart in November&nbsp;2010 and stayed on the List for a second week, at number&nbsp;33. Abnett's ] was next, reaching number&nbsp;16 in January&nbsp;2011; this title also topped a science fiction and fantasy book chart published by '']''&nbsp;(London) in March of the same year.{{r|times-b15}}
* '''The Wolf Of Ash And Fire''': At the height of the Great Crusade, Horus Lupercal and the Emperor attack the ork-held planetoid of Gorro. If they win, Ullanor awaits...
* '''Aurelian''': During the first complete gathering of the Traitor Primarchs while the ashes of the Dropsite Massacre are still cooling, Lorgar confronts Horus about the forceful possession of Fulgrim. Lorgar also gets into an argument with Magnus, where the events of Lorgar's Pilgrimage into the Eye of Terror are told.
* '''The Long Night''': Following his capture by the Dark Angels, Jago Sevetarion languishes in the gaol cell in the depths of the Invincible Reason. Suffering from delibitating headaches and talking to ghosts in his cell, the Night Lord has finally had enough of Horus, the Emperor, and his own Primarch, desiring to become an agent of justice once more. But in order to start on that path, he's going to use his 'talent'...
* '''Massacre''': the Dropsite Massacre, as seen through the eyes of Talos and First Claw.
* '''Brotherhood of the Moon''': On trail by his Legion, Torghun Khan must account for the events that lead him to the Lodges and the rebellion that nearly consumed the White Scars Legion.
* '''Inheritor''': Torquill Eliphas of the Word Bearers attacks the Ultramar world of Kronus with the World Eaters at the height of the Shadow Crusade, seeking to harness the power of the warp.
* '''Vorax''': a quick read that details the blockade of Mars following the Schisim, and where a traitor ad-mech is hunted by the Vorax Battle-Automata.
* '''Ironfire''': Following his failed siege at Schadenhold, a broken Idriss Krendl attempts to redeem himself by conducting a prototype strategy against another fortress on Euphorus, but with the Emperor's Children as his targets.
* '''Red-Marked''': Aeonid Thiel leads a squad of rogue Ultramarines in defending the borders of Imperium Secundus, and against internal plots to bring the XIII Legion down from within.
* '''Master of the First''': The disgraced Chapter Master Astelan of the Dark Angels begins to maneuver his way back into a position of power again on Caliban. One way or another, Luther is going to have to carve out more cells...
* '''Stratagem''': Aeonid Thiel and Roboute Guilliman discuss a new treatise of war following the Battle of Calth, the Underworld War and the Shadow Crusade.
* '''Sins of the Father''': During the Tempest of Angels, Sanguinius considers the possible destinies of Azkaellon and Amit.
* '''Herald of Sanguinius''': With Sanguinius crowned Emperor of the Imperium Secundus and the threat of assassination everywhere, Azkaellon has to contend with having to protect his primarch. Even if it means putting one of his own into the line of fire both literally and symbolically.
* '''The Eagle's Talon''': Imperial Fists storm a warship in Tallarn's orbit, resorting to unthinkable tactics to achieve victory.
* '''Iron Corpses''': Amidst the destruction of the Eagle's Talon, Warsmith Koparnos turns to the Titans to survive, all the while feeling overwhelmed by the futility of the campaign and the greater civil war.
* '''The Final Compliance of Sixty-Three Fourteen''': an Imperial Governor of a compliant world must decide whether to follow the primarch which conquered his world years before, or to defy him.


{{anchor|book36}}'''36. The Path of Heaven: Riding Out from the Storm'''
The compilation ], edited by Christian Dunn, also entered The New York Times Best Sellers List, in May&nbsp;2011, at number&nbsp;31. Book&nbsp;19, ], again by Abnett, continued the trend: it appeared at number&nbsp;21 in March&nbsp;2012. It was followed on the List by the next series title, ], a compilation edited by Dunn, which occupied position&nbsp;29 during the week of 17&nbsp;June 2012; in addition, ''The Primarchs'' had placed first in '']''{{'s}} science fiction bestsellers listing for the week of 28&nbsp;May 2012.{{r|pw-b20}} In September&nbsp;2012 ] by Swallow entered The New York Times Best Sellers List at number&nbsp;13, at the time the highest entry on that chart for a series novel; the book remained on the List the week after (week of 23&nbsp;September), at number&nbsp;33.{{r|nyt-bsl}}


Following the events of ''Scars'' (]), four years have passed and the White Scars are fully committed to fighting the Traitor Legions as they begin their march to Terra. But they have been slowly and surely hemmed in by burgeoning Warp Storms and the might of four legions deep in the galactic north. Caught betweens this opposition and the internal psychological damages his legion is suffering from attrition warfare, Jagathai Khan and his allies turn their efforts to uncovering another path to Terra, one that unearths secrets of the divided Navis Nobilite and the Emperor Himself. But the much-changed Emperor's Children under a resurrected & mutated Eidolon and the growing darkness of the Death Guard under Mortarion are hot on their heels, and to open the Path of Heaven not all will see the Heresy to the end...
=={{anchor|related}}Related works<!-- Section linked from within this article -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
Between the late–1980s ] and the start of this series publication in&nbsp;2006, Games Workshop and affiliates released {{em|Horus Heresy}}-branded products that expanded the concept's standing as Warhammer&nbsp;40,000 background material.{{r|audience-pov}} The release of such works, which include literature independent of this series, continued {{As of|2013|lc=y}}; the works may relate to it as prequels, sequels, or expansions of its stories.


{{anchor|book37}}'''37. The Silent War: Chosen of the Sigillite'''
Pre-series Horus Heresy literature and other related works may have been ], while other similar material may no longer be authoritative even as it remains in Horus Heresy and Warhammer&nbsp;40,000 canons;{{r|development}} still other non-series Horus Heresy material has been eventually incorporated into the work.{{r|b22-toc}}


''The Silent War'' is an anthology of short stories surrounding Malcador's role in the Horus Heresy after the events of ''Galaxy in Flames''
A significant development was the&nbsp;2012 initial release of the ''Horus Heresy'' miniatures wargame expansion, which repositioned the concept as a foreground element within the ''Warhammer&nbsp;40,000'' gaming system{{spnd}} while highlighting the importance of the Horus Heresy to Games Workshop's product lineup and the related universe.{{r|sales-perform}} The expansion is reputedly developed in coordination with the book series, and includes new material and information about the Horus Heresy and the fictional universe; it joins the series and other works as an authoritative source of Heresy material and Warhammer&nbsp;40,000 background.{{r|hh-mwg}}


{{anchor|book38}}'''38. Angels of Caliban: Emperors and slaves'''
The Black Library and Games Workshop have released novels, game rulebooks, and other products not branded or classified as ''Horus Heresy'', yet directly relating to story arcs or events described in the series. An example is listed in the ].


''Angels of Caliban'' tells the story of The Lion's hunt to find his brother, Primarch of the Night Lords Konrad Curze, across the 500 worlds of Ultramar whilst juggling the responsibilities of being the Lord Protector of Imperium Secundus. Simultaneously, the ever-deepening divide of Luther from the first legion takes shape in the book, with definitive decisions being made that will permanently shape the future of The Order and life on Caliban, outside of the watchful eye of Terra and The Lion.
===Selections<!-- Section linked from within this article -->===
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
* ''Collected Visions: Iconic Images of the Imperium, Betrayal and War''{{spnd}} Alan Merrett (writer), ] (conceptual art), Nick Kyme and Matt Ralphs (editors), and many additional contributors. ] of the four-volume ] (2004–06); it outlines the entire Horus Heresy in art and prose. {{As of|2013|02}} it was partially superseded, amended, or expanded by the continuing book series and the newer ''Horus Heresy'' rulebook series (see ]). As of the same month it remained the most comprehensive official roadmap for the complete Heresy storyline{{spnd}} June&nbsp;2007{{r|abs-oe}}
*{{anchor|botf}}''Battle of the Fang''{{spnd}} Chris Wraight. Warhammer&nbsp;40,000 novel in the ]. The story takes place a thousand years after the Horus Heresy, and is a continuation of the arc presented in Books&nbsp;12 (]), and&nbsp;15 (]){{spnd}} June&nbsp;2011{{r|botf}}
* ''Aurelian''{{spnd}} Aaron Dembski&#8209;Bowden. Subtitled ''The Eye stares back'', this ] is part of a story arc along with ], Book&nbsp;14 in the series{{spnd}} October&nbsp;2011{{r|aur-gld}}
*{{anchor|rs-book1}}''Betrayal''{{spnd}} Alan Bligh (writer), and ] artists and designers. "Volume One" in the ''Horus Heresy'' rulebook series. This series is part of the stand-alone ''Horus Heresy'' expansion for the ''Warhammer&nbsp;40,000'' game system; the expansion is produced by Games Workshop ] subsidiary Forge World. ''Betrayal'' is centered on the events of ], also described in ''Galaxy in Flames'', ] of the book series{{spnd}} September&nbsp;2012{{r|mwg-b1}}


{{anchor|book39}}'''39. Praetorian of Dorn: Alpha to omega'''
==Notes<!-- Section linked from ]. Includes nested footnotes. Footnotes in ] order by name ("ref name="), except nest. -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
{{reflist|3|refs=
{{refn|name=eds<!-- Footnote nest -->|{{harvnb|The Black Library Team|2013}}; {{harvnb|Black Library Online|"Horus Heresy"}}. Books&nbsp;1–22 originally printed as mass-market (mm) paperbacks. For ] and following, first general-availability print edition is in trade format with fold-out cover. See also {{harvnb|Black Library Facebook Page|2012|loc={{URL|1=https://www.facebook.com/theblacklibrary/posts/397929666948993?comment_id=2921533|2={{interp|post by Black Library, 7 December 2012 at 4:56&nbsp;am}}}}}}. {{Retrieved|accessdate=2012-01-04|append=;}} imprints or editions of individual novels may have alternate subtitles{{r|b5-sub|b9-sub}} and may also have variations in punctuation or capitalization of title or subtitle; for examples of compilation stories that have been published individually see: {{harvnb|Black Library Online|"Ebooks: Horus Heresy"}} (includes listing of short story e&#8209;books). {{harvnb|Kyme|2011a}} (downloadable "audio short"). {{harvnb|Abnett et al.|2011}} (audiobook bundle includes a short story extra on separate disc media); {{As of|2013|04|lc=y}} the series as a whole was not assigned an official series or "set" ], nor an ]. However unique ISBNs may be assigned to the publisher's ] offers; publication details of series titles may not be presented uniformly across publisher communications, such as in the official series website (listed in §&nbsp;]), and the Black Library webpages listed here; this article refers to UK releases and more generally to English-language editions, except where stated otherwise. For series titles published in other languages, see {{URL|1=http://www.worldcat.org/search?q={{urlencode:kw:horus heresy AND -ln:eng AND x0:book AND -mt:juv AND mt:fic|QUERY}}|2=non-English editions}} in libraries (] catalog). {{Retrieved|accessdate=2012-03-18}}}}


Rogal Dorn and the VIIth Legion have been stationed on Terra since the beginning of Horus' betrayal, tasked with securing a fractious Solar System and Terra in preparation for the inevitable assault. Now, the Solar System comes under attack for the first time since the war began by the Alpha Legion, and many of the seemingly impregnable defences wrought by the Imperial Fists prove inadequate. With all eyes fixed firmly upon this new threat beyond the gates of Terra, Dorn must prepare for a fight that will test him to the limit, and force him to confront the prices that will need to be paid and the allies he needs if he is to hold Terra unto the end.
<ref name=abs-oe>{{harvnb|Merrett|2007}}.</ref>


{{anchor|book40}}'''40. Corax: Nevermore'''
<ref name=allusion>] and elements of the entire Heresy storyline recall the ] ] and related mythologies. A detail is the series depiction of the "Eye of Terra/Eye of Horus" {{harv|Abnett|2006|p=114}} which is part of the ] of Warmaster Horus' own Legion, compare with ]; ], a ] ally, is named after ], a ] entity in ]; ] is the Primarch of the "Dark Angels" Legion, alluding to 19th&#8209;century ] poet ] and his poem "{{ws2|The Dark Angel}}"; ] refers to ], the mysterious 19th&#8209;century ] youth. In the series, Hawser is also known as "Ahmad Ibn Rustah" {{harv|Abnett|2011b|loc=§&nbsp;"Dramatis Personae"}}, a further allusion: ]; see also ] vs. ]; ] vs. ], etc.; {{harvnb|Fortune|n.d.|loc=final paragraph. "{{interp|Series authors}}&nbsp;...&nbsp;sneak in sly references&nbsp;...}}; for an unofficial, informal listing of many other ] and ] reputedly utilised in Horus Heresy literature see {{tvtropes|HorusHeresy|The Horus Heresy}}. {{Retrieved|accessdate=2012-12-01}}</ref>


A collection of short stories and novellas that document and detail Corax's bitter guerilla war against the Traitors following the Dropsite Massacre and the Battle of Ravendelve, and his desperate attempts to hold his legion together. But none shall emerge from the Heresy unscathed, and for the Raptors a tragic fate awaits...
<ref name=art>{{harvnb|Roberts et al.|2006–2013}}. The books' art may include edition-specific reproductions, such as wraparound and ] cover art in the "premium hardback" edition, and internal illustrations unique to ] in general; trade paperback versions have "French flap" (fold-out) cover art. See in {{harvnb|Black Library Online|"The Horus Heresy"}} (publisher webpage lists different editions and media); the art is noted in publisher promotions, and is a subject of interest within the Warhammer&nbsp;40,000 fan community {{harv|Perrin et al.|2011}}; series and other Horus Heresy-related art is often separately previewed by the publisher {{harv|The Black Library Team|2012a}}; see also {{harvtxt|Farley|2010}} for an interview with main series artist Neil Roberts.</ref>


=== Book 41 to Book 54 ===
<ref name=audience-pov>The audience has a partially ], since a number of significant events, the general outline, and the ending of the Horus Heresy are known in advance. Story elements have been published by ] starting&nbsp;1988 {{harv|Merrett|2007|p=6&nbsp;{{interp|not numbered}}}}; a comprehensive outline, including the conclusion, was published in the four-volume ] between May&nbsp;2004 and July&nbsp;2006. This series was republished in a 2007&nbsp;], see ''Collected Visions'' (in §&nbsp;]). Also, §&nbsp;{{See section|Horus Heresy|Expansion and continuity}}.</ref>


{{anchor|book41}}'''41. The Master of Mankind: War in the webway'''
<ref name=aur-gld>{{harvnb|Dembski-Bowden|2011}}. Originally offered as a "Collectors Edition" web exclusive.</ref>


While Horus’ rebellion burns across the galaxy, a very different kind of war rages beneath the Imperial Palace. The Emperor of Mankind, alongside the ‘Ten Thousand’ Custodian Guard, the Sisters of Silence and the Mechanicum forces of Fabricator General Kane, fight to control the nexus points of the ancient eldar webway that lie closest to Terra, now infested by daemonic entities after Magnus the Red's intrusion. But with traitor legionaries and corrupted Battle Titans now counted among the forces of Chaos, and a malevolent entity of the Warp circling the field, the noose around the Throneworld is slowly tightening. And for the Emperor, He must confront His enigmatic past and ultimately decide whether to hold onto His failing dream, or accept the Age of Darkness that He had a hand in bringing forth to the Imperium.
<ref name=authors>{{harvnb|Rhoads|2011b|loc=¶&nbsp;1}}; {{harvnb|Black Library Online|"Authors"}}.</ref>


{{anchor|book42}}'''42. Garro: Weapon of fate'''
<ref name=b-physical>] approx. {{convert|17|x|10|cm|in|abbr=on}}; ] approx. {{convert|23|x|15|cm|in|abbr=on}}. Sources: ]; ]; digital media size range reflects ] ] formats. "Enhanced e&#8209;book" editions not included in the indicated values (such versions may be substantially larger). Range values are extrapolated approximations, see {{harvtxt|Black Library Online|FAQ|loc="What size are the files?"}}; for audio edition information, see individual title listings under {{harvtxt|Black Library Online|"Horus Heresy"}}.</ref>


A connected anthology of short stories that focuses on Garro following the Flight of the Eisenstein (Book 4) during the Silent War. Now a Knight Errant and Agentia Primus of Malcador the Sigillite, Garro is sent on a number of clandestine missions from the desolations of Calth and Isstvan to the halls of the Imperial Palace itself. Incidentally, Garro is also walking a path of his own, one that leads him to both the secrets of Malcador's 'Othrys' project and the growing Lecticio Divinitatus cult, and to question his own place in the Imperium both in the current civil war and what might emerge when it is over.
<ref name=b1>{{harvs|nb|last=Abnett|year1=2006|loc1=({{abbrlink|mm paperback|mass-market paperback|id=mmp}})|year2=2010a|loc2=(e&#8209;book)|year3=2011a|loc3=(audiobook)}}.</ref>


{{anchor|book43}}'''43. Shattered Legions'''
<ref name=b1-17-eb>{{harvnb|Series authors|2011}} {{interp|estimated total size approx. 14&nbsp;]s}}. Limited-time offer expired&nbsp;2012, see {{WebCite|url=http://web-beta.archive.org/web/20120116094030/http://www.blacklibrary.com/all-products/xmas-2011-horus-heresy-complete-works.html|date=2012-01-16|title="The Black Library - Xmas Horus Heresy Complete Works"|dateformat=iso}} {{interp|Archive of a ] of the same page by the ] ]}}. {{Retrieved|accessdate=2012-12-31}}</ref>


{{anchor|book44}}'''44. The Crimson King: A soul divided'''
<ref name=b1-3-as>{{harvnb|Abnett et al.|2011}}.</ref>


Following the razing of Prospero, Magnus the Red now refuges on the aptly unnamed Planet of the Sorcerers, deep within the Eye of Terror. the remnants of the Thousand Sons Legion realise that Magnus was effectively shattered following his fight with Russ – his mind and memories are slipping away into the tumult of the warp. In desperation, Ahzek and Amon (and a very unwilling Lucius) travel to the scenes of Magnus' greatest triumphs and tragedies in hope to restore him once more. But to do so, they must confront hunters of both the Space Wolves and the Knights Errant, along with their own internal strife of the returning flesh change and the decision of whether to join Horus to besiege Terra.
<ref name=b1-ae>{{harvnb|Abnett|&#91;2006&#93; 2011c}}.</ref>


{{anchor|book45}}'''45. Tallarn: War for a dead world'''
<ref name=b1-rev>Review of ''Horus Rising'' ]: {{harvnb|Rhoads|2011b}}; and of the ]: {{harvnb|Scholes|2013}}. (Both positive).</ref>


Following their escape from the Eye of Terror (as detailed in ''Angel Exterminatus'' and ''Black Oculus''), Perturabo and the Iron Warriors Legion unleash hell on the verdant world of Tallarn, reducing it to a wasteland even as the largest armoured conflict in the Heresy is enacted on its surface. But Perturabo has more in mind than simple punitive destruction – and his growing curiosity into the powers that enacted Fulgrim's ascencion will draw ire from both his adversaries on the stricken planet, and his allies in the Host of the Warmaster...
<ref name=b10>{{harvs|nb|last1=Kyme|last2=Priestley|year1=2009|loc1=(] paperback)|year2=2010|loc2=(e&#8209;book)}}.</ref>


This book is a collected Anthology of Short Stories and Novellas released over the course of the series:
<ref name=b10-toc>"Blood Games" by Dan Abnett; "Wolf at the Door" by Mike Lee; "Scions of the Storm" by Anthony Reynolds; "The Voice" by James Swallow; "Call of the Lion" by Gav Thorpe; "The Last Church" by Graham McNeill; and "After Desh’ea" by Matt Farrer {{harv|Kyme|Priestley|2009|loc=§&nbsp;"Contents"}}.</ref>
* '''Tallarn: Witness''' Follows the internal musings of the new governor-militant of Tallarn following the campaign, surveying the graveyard left behind and the price paid for victory on the planet.
* '''Tallarn: Executioner''' Features the initial bombardment and opening stages of the Battle, through the eyes of a once-mighty armoured regiment stationed planetside.
* '''Tallarn: Siren''' Focuses on Loyalist forces enacting a desperate mission to locate the last astropath on the planet following the extraction of the Iron Warriors.
* '''Tallarn: Ironclad''' follows Argonis, emissary of the Sons of Horus as he is dispatched to Tallarn alongside a member of the new Dark Mechanicum to bring the wayward Iron Warriors to heel, with the duplicit aid of Alpha Legion operatives and an agent of the Officio Assassinorium.


{{anchor|book46}}'''46. Ruinstorm: Destiny unwritten...'''
<ref name=b11>{{harvs|nb|last=Lee|year1=2009|loc1=(] paperback)|year2=2010|loc2=(e&#8209;book)}}.</ref>


Roboute Guilliman, Lion'El Johnson, and Sanguinius have abandoned the Imperium Secundus and make for Terra, bringing the prisoner Konrad Curze along. Doing so, however, requires them to traverse the Ruinstorm, a raging warp storm which makes passage all but impossible. The three primarchs each face their own temptations and trials throughout the journey through warp, both physical and spiritual. Epic, solar-system sized obstacles situated in both realspace and warpspace prevent their passage, and the three legions must work together to overcome each one. The story's climax centers on Chaos Undivided's attempt to turn Sanguinius to their will. The demon lord Madail presents an unthinkable ultimatum to the Angel. In the throes of his temptation, Sanguinius is burdened with foreknowledge which obscures the righteous path, and the final fate of Konrad Curze.
<ref name=b12>{{harvs|nb|last=McNeill|year1=2010d-1|loc1=(] paperback)|year2=2010d-2|loc2=(e&#8209;audiobook)|year3=2010d-3|loc3=(e&#8209;book)}}.</ref>


{{anchor|book47}}'''47. Old Earth: To the Gates of Terra'''
<ref name=b12-rev>Review: {{harvnb|EIW|2010}} (mostly positive).</ref>


''Old Earth'' tells the story of the newly resurrected Vulkan, who is compelled to leave his homeworld and his legion behind and return to fulfill his destiny at Terra. To break through the ruinstorm, which is keeping the throneworld inaccessible via the warp, he must make use of ancient Eldar pathways, where humans are not welcome. En route he seeks aid from Shadrak Meduson and the Iron Tenth, who continue to harass the traitorous Sons of Horus with guerrilla tactics. But Shadrak is facing internal resistance to his attempts to revitalise the Iron Hands, while at the same time seeking a showdown with his nemesis Tybalt Marr.
<ref name=b12b15-rev>Combined review of ''A Thousand Sons'' and ''Prospero Burns'' CD-audio editions: {{harvnb|Fortune|n.d.}} (positive).</ref>


{{anchor|book48}}'''48. The Burden of Loyalty'''
<ref name=b13>{{harvs|nb|last=Swallow|year1=2010b-1|loc1=(] paperback)|year2=2010b-2|loc2=(e&#8209;book)}}.</ref>


{{anchor|book49}}'''49. Wolfsbane: The wyrd spear cast'''
<ref name=b13-rev>Review: {{harvnb|Gronli|2010b}} (mixed).</ref>


Leman Russ, following the disasters of Prospero and the Allaaxes Nebula, departs Terra (just as Sanguinius arrives following the events of Ruinstorm) in order to punish his traitorous brother Horus. But in order to be ready to confront his much-changed brother, Leman needs to journey into the depths of his homeworld, and come to terms with the burdens of his duty as the Emperors' Executioner, his Spear that never wants to leave his side, and the realities of his nature as a Primarch. Following that, a death-or-glory assault on Horus' vanguard fleet at the gates of the Segmentum Solar awaits, and for the Lord of Winter and War, a faint, fleeting hope that not all of Horus Lupercal is lost to Chaos...
<ref name=b14>{{harvs|nb|last=Dembski-Bowden|year1=2010-1|loc1=(e&#8209;book)|year2=2010-2|loc2=(] paperback)}}.</ref>


{{anchor|book50}}'''50. Born of Flame: The Hammer and the Anvil'''
<ref name=b14-rev>Review: {{harvnb|Rudden|2012}} (positive).</ref>


{{anchor|book51}}'''51. Slaves to Darkness: Chaos undivided'''
<ref name=b15>{{harvs|nb|last=Abnett|year1=2010c-1|loc1=(e&#8209;audiobook)|year2=2010c-2|loc2=(e&#8209;book)|year3=2011b|loc3=(] paperback)}}.</ref>


With the conquest of the Beta Garmon system, the traitors are at last close upon Terra. However, Horus' injury back in Wolfsbane reopens, leaving the internal divisions of the now-barbaric Sons of Horus to yawn wide. While Mortarion is sent on ahead as the fleet's vanguard, it falls to Lorgar and Perturabo to marshal Fulgrim and Angron, both now elevated to daemonhood and beyond even the will of the Warmaster to command. With Guilliman and the Lion returning with all haste, and with Chaos working against them, Maloghurst has to find the means to hold his fractious Legion together and wrench Horus himself from the edge of oblivion by any means necessary. For the greatest battle the galaxy has ever known looms, and hosts of the Warmaster must unite at Ullanor, for only together can the Siege of Terra truly begin.
<ref name=b15-bsl>{{harvnb|Gronli|2010a}}.</ref>


{{anchor|book52}}'''52. Heralds of the Siege'''
<ref name=b16>{{harvs|nb|last=Dunn|year1=2011-1|loc1=(e&#8209;audiobook)|year2=2011-2|loc2=(e&#8209;book)|year3=2011-3|loc3=(] paperback)}}.</ref>


{{anchor|book53}}'''53. Titandeath: The God Machines cometh'''
<ref name=b16-rev>Review: {{harvnb|Flory|2011}} (positive).</ref>


Set between ''Wolfsbane'' and ''Slaves to Darkness'', Titandeath expands on the epic struggles of the Titan Legions in the Beta-Garmon Cluster, the so-called Gate of Terra. With the Ruinstorm fading, With Horus leading the campaign, it's only a matter of time until the system falls, despite the presence of Sanguinius and Jagathai Khan. But the Traitor Titan Legions are becoming corrupted by Chaos, and it soon becomes apparent that even Horus is not immune to its malignant predations. Also expands on the nature of the Titan Legions, the princeps and their beliefs in the Omnissah.
<ref name=b16-toc>"Rules of Engagement" by Graham McNeill; "Liar's Due" by James Swallow; "Forgotten Sons" by Nick Kyme; "The Last Remembrancer" by John French; "Rebirth" by Chris Wraight; "The Face of Treachery" by Gav Thorpe; "Little Horus" by Dan Abnett; "The Iron Within" by Rob Sanders; and "Savage Weapons" by Aaron Dembski&#8209;Bowden {{harv|Dunn|2011-1|loc=§&nbsp;"Contents"}}. One story, "The Iron Within", was prepublished in ''Hammer and Bolter'', a Black Library e&#8209;magazine, in February&nbsp;2011 {{harv|Sanders|2011}}; "The Last Remembrancer" was included in the same magazine's May&nbsp;2011 issue, published simultaneously with the series book {{harv|French|2011}}.</ref>


{{anchor|book54}}'''54. Buried Dagger: Doom of the Death Guard'''
<ref name=b17>{{harvs|nb|last=McNeill|year1=2011c-1|loc1=(e&#8209;audiobook)|year2=2011c-2|loc2=(e&#8209;book)|year3=2011c-3|loc3=(] paperback)}}.</ref>


''The Buried Dagger'' is set immediately before the events of the Siege of Terra, and follows the Perspective of the "Death Guard" Legion. The book is divided into three distinct parts, the first is the narration of Mortarion, Primarch of the Death Guard, about his childhood on Barbarus, a planet with a toxic atmosphere and ruled by tyrannical warlords, and his attempt to liberate its people, culminating with meeting the Emperor, who kills the last Warlord, as Mortarion risks finally succumbing to the poisonous atmosphere. The second part, however, is set prior to the Siege of Terra, and follows Mortarion and the Death Guard slowly succumbing to debilitating diseases as their ships malfunction in a journey through the Warp. It is revealed at the end that Typhus, who Mortarion had known since Barbarus, had sabotaged the systems to become favoured of the Plague God Nurgle. This part of the story ends with a mirror of the first, as Mortarion swears loyalty to Nurgle, before he succumbs to the diseases that would otherwise condemn him to undeath. The third part of the story is largely unrelated to the Death Guard, and follows Garviel Loken and Nathaniel Garro, alongside several other characters, as they form the Grey Knights Chapter of Space Marines upon the eve of the Siege of Terra.
<ref name=b17-con>Reputed continuity problems introduced in the series by story elements in ] have been the subject of discussion among the Warhammer&nbsp;40,000 ] {{harv|Antigonos et al.|2011}}; see also {{harvtxt|Dembski-Bowden|2012a|loc=§&nbsp;"Author's Note", p.&nbsp;9}}.</ref>


=== Book 55 Onwards: ''Siege of Terra'' ===
<ref name=b17-rev>Review of the e&#8209;audio edition: {{harvnb|Dean|2011}} (mixed).</ref>


{{anchor|book55}}'''55. The Solar War'''
<ref name=b18>{{harvs|nb|last=Thorpe|year1=2012a-1|loc1=(e&#8209;audiobook)|year2=2012a-2|loc2=(e&#8209;book)|year3=2012a-3|loc3=(] paperback)}}.</ref>


The Siege of Terra commences with the colossal void war between the Traitors and the Loyalists in the Solar System, and to break through Dorn's walls across the planets and moons Horus will have to conduct strategies both standard and soul-churning to reach Terra on time. Amidst the fighting, former remembrancer Mersadie Oliton desperately searches for a way back to Terra, a disgraced Sigismund seeks atonement through battle, Abaddon cleaves out a path laid out for him by both his primarch and darker powers, and Ahriman prepares a ritual that might determine the success of the Traitors. And above all these stories and struggles, in the plane of the Warp, an old man looks at the fading fire of his dream as wolves and worse begin to circle...
<ref name=b18-pream>{{harvnb|Thorpe|2012a-3|loc=preamble}}.</ref>


{{anchor|book56}}'''56. The Lost and the Damned'''
<ref name=b19>{{harvs|nb|last=Abnett|year1=2012a-1|loc1=(e&#8209;audiobook)|year2=2012a-2|loc2=(e&#8209;book)|year3=2012a-3|loc3=(] paperback)}}.</ref>


With the Solar System now in Horus' clutches, the bombardment of Terra begins. But in order to reach the walls, Horus must contend with the ground defences and bastions outside the Palace, as well as the self-sustaining void-shield of the Aegis. An immense ground war follows, where the front lines quickly devolve into a hellish nightmare and the daemonic abilities of the ascended Mortarion and Angron slowly grind away at the defences. But more than the Walls and the Loyalist Primarchs are needed to be tackled to gain entry, and Abaddon has to contend with the divisions to the Traitor forces while Horus continues his psychic assault upon the Emperor even as his body is being slowly consumed by Chaos. On the other side of the Walls, the Loyalists are confronted by the issues of refugees, embattled defences, the malefic use of the Warp and having to prepare to make hard choices in the ensuing Siege. Thankfully, Guilliman is coming, but is he going to make it in time?
<ref name=b19-rev>Review: {{harvnb|Fortune|2012}} (positive).</ref>


{{anchor|book57}}'''57. The First Wall'''
<ref name=b2>{{harvs|nb|last=McNeill|year1=2006|loc1=(] paperback)|year2=2010a|loc2=(e&#8209;book)|year3=2011b-1|loc3=(audiobook)|year4=2011b-2|loc4=(e&#8209;audiobook)}}.</ref>


With the outer defences now fallen, Horus has two new tasks: claim the Lion's Gate Spaceport from the Imperial Fists, and get the Daemonic Neverborn of Chaos on Terra. The former task he orders Perturabo and the Iron Warriors to complete, the latter to his personal Dark Apostle Zardu Layak. But neither task is going to be easy to complete for either, and both will have to make hard choices to overcome the First Wall. Dorn has a plan to counter the Traitors if that happens. Unfortunately, so does Horus...
<ref name=b2-rev>Review: {{harvnb|Gronli|2008a}} (mixed).</ref>


{{anchor|book58}}'''58. Saturnine'''
<ref name=b20>{{harvs|nb|last=Dunn|year1=2012-1|loc1=(e&#8209;audiobook)|year2=2012-2|loc2=(e&#8209;book)|year3=2012-3|loc3=(] paperback)}}.</ref>


With battle now joined in earnest, the Traitors under the command of Perturabo begin to look for ways to breach the outer wall of the Imperial Palace. Rogal Dorn on the other hand must begin to make hard choices to keep the palace secure until Roboute arrives, and in opposition to his growing desperation creates an order of scholars to document (and conceal if necessary) the history of the civil war. A multi-dimensional chess game between both side ensues for a weakened section of the wall (designated Saturnine) that will decide whether the palace will continue to hold, or fall with a single stroke. But not all is bound to the Siege, and in the depths of the Palace and far beyond it, secrets and lies are brought to light...
<ref name=b20-rev>Review: {{harvnb|Dean|2012}} (negative).</ref>


{{anchor|book59}}'''59. Mortis'''
<ref name=b20-toc>"The Reflection Crack'd" by Graham McNeill; "Feat of Iron" by Nick Kyme; "The Lion" by Gav Thorpe; and "The Serpent Beneath" by Rob Sanders {{harv|Dunn|2012-3|loc=§&nbsp;"Contents"}}. "Feat of Iron" complements a non-series Horus Heresy novella by the same author {{harv|Kyme|2011b}}; "The Lion" was prepublished in digital format, as a ''Hammer and Bolter'' ] {{harv|Thorpe|2012b}}.</ref>


The Palace holds, but with the Lion's Gate & Eternity Wall Spaceports in his hands, Horus unleashes the Legio Mortis Titans upon Terra. The continued fighting also allows the powers of Chaos to wax, dragging defenders into a quagmire of despair and desperately seek out false paradises that are far worse than death. With the Traitor Titans and the Loyalist Legio Ignatum set on a collision course at Mercury Wall and a sealed order from the Emperor given to Dorn, outside the Palace Paladin Corswain of the Dark Angels must make a desperate ploy that might change the course of the Siege, and the Perpetual Ollanius Persson must journey through the tortured insanity of the warp and his own memories if he and his allies are to reach Terra and his unknown future...
<ref name=b21>{{harvs|nb|last=Swallow|year1=2012a-1|loc1=(e&#8209;audiobook)|year2=2012a-2|loc2=(e&#8209;book)|year3=2012a-3|loc3=(] paperback)}}.</ref>


{{anchor|book60}}'''60. Warhawk'''
<ref name=b21-rev>Review: {{harvnb|Sharps|2012}} (positive).</ref>


As the Palace defenses continue to weaken both physically and metaphysically, Jaghatai Khan makes a dangerous gambit to retake the Lion's Gate spaceport from a mutated Mortarion and the now-fully corrupted Death Guard. Meanwhile, those inside the walls face their own set of challenges – Dorn struggles with the continued burden of strategy, Sigismund finds the path that will herald a new breed of warriors, Keeler finds a new (and much darker) perspective for the hope of the Imperium, and an internally conflicted Valdor goes on the hunt.
<ref name=b22>{{harvs|nb|last1=Dunn|last2=Kyme|year1=2012-1|loc1=(e&#8209;book)|year2=2012-2|loc2=(] paperback)}}.</ref>


{{anchor|book61}}'''61. Echoes of Eternity'''
<ref name=b22-rev>Review: {{harvnb|Fergus|2012}} (positive).</ref>


The Lion's Gate Spaceport is retaken, but the majority of the Palace and Terra has now fallen to the Traitors. Angron, Daemon Primarch of the World Eaters and now Herald of Horus following Mortarion’s defeat, spearheads the carnage though the fire and ash of Terra's dying breaths. In the wake of the Red Angel and the armies of the damned, Chaos is preparing to change Terra into an image more to its liking (and less to the Loyalists' sanity). With the Khan on the edge of death, Dorn beleaguered at the Bhab Bastion, and Guilliman (seemingly) not going to make it in time, it falls to Sanguinius – fated-to-die and the Angel of the Ninth Legion – to rally the defenders and refugees for one more stand at the Delphic Battlement, the very walls of the Sanctum Imperialis, and paint the golden Eternity Gate blood red if he must if it means the Traitors shall not pass.
<ref name=b22-toc>Short stories: "The Dark King", "The Kaban Project", and "Death of a Silversmith" by Graham McNeil; "The Lightning Tower" by Dan Abnett; "Raven's Flight" by Gav Thorpe (these stories were previously published; "Raven's Flight", a prequel to ], is an adaptation of an original ], the first such entry in this series). Novellas: "The Crimson Fist" by John French (prepublished as stand-alone e&#8209;book, see {{harvnb|French|2012}}); "The Prince of Crows", an original story by Aaron Dembski&#8209;Bowden. {{harv|Dunn|Kyme|2012-2|loc=edition notice {{interp|p.&nbsp;6&nbsp;(not numbered)}}, §&nbsp;"Contents"}}.</ref>


{{anchor|book62}}'''62. The End and the Death, Volume I'''
<ref name=b23>{{harvs|nb|last=McNeill|year1=2012b-3|loc1=(e&#8209;audiobook)|year2=&#91;2012&#93; 2013a-1|loc2=(e&#8209;book)|year3=&#91;2012&#93; 2013a-2|loc3=(trade paperback)}}.</ref>


The Warp has caused all time on Terra to stop, and victory is in the Warmaster's grasp. But Guilliman's reinforcements are mere hours away, so Horus orders the shields of his flagship, the ''Vengeful Spirit'', to be lowered in order to lure the Emperor into a direct confrontation. At the same time, Ollanius Persson and his "Argonauts" reach the Palace, hoping to warn the Emperor that Horus' power has grown to the point where he will sacrifice humanity to become a new God of Chaos, "the Dark King". When he arrives, he is met by Vulkan, who tells him he is too late: The Emperor, accompanied by Dorn, Sanguinius, Valdor, and their best warriors, has already teleported aboard the ''Vengeful Spirit'' to confront the Warmaster. Garviel Loken, who seeks to confront his father Horus, also manages to make his own way aboard.
<ref name=b23-pre>"The Reflection Crack'd" by Graham McNeil {{harv|Dunn|2012-3|pp=11–110}}, and "The Crimson Fist" by John French {{harv|Dunn|Kyme|2012-2|pp=11–123}}.</ref>


{{anchor|book63}}'''63. The End and the Death, Volume II'''
<ref name=b23-rev>Review: {{harvnb|Bosier|2013}} (positive).</ref>


The Emperor and his companions are separated aboard the ''Vengeful Spirit'', which has become infused with the growing power of the Warp. It soon transpires that the Dark King is not Horus, but the Emperor Himself, who has tapped into the Warp for the power to defeat Horus and his dark patrons. Persson and Loken appeal to the Emperor not to become Chaos in order to defeat it, and the Emperor ultimately relents, releasing the Warp power he had accumulated. Meanwhile, Sanguinius is met by the shade of his fallen brother Ferrus Manus, the Primarch of the Iron Hands, who guides the Angel to his final confrontation with the Warmaster. In a gruelling battle, Horus kills Sanguinius and crucifies his corpse in the Lupercal's Court. The death of their Primarch drives the Blood Angels into insanity, fighting friend and foe alike.
<ref name=b24>{{harvs|nb|last=Dembski-Bowden|year1=2012b|loc1=(e&#8209;audiobook)|year2=&#91;2012&#93; 2013|loc2=(trade paperback)}}.</ref>


{{anchor|book64}}'''64. The End and the Death, Volume III'''
<ref name=b24-rev>Review of the "Premium Hardback" edition: {{harvnb|Sharps|2013}} (positive).</ref>


The Emperor finally confronts Horus on the bridge of the ''Vengeful Spirit''. Horus mortally wounds the Emperor, but hesitates when Loken attempts to appeal to his humanity. The Chaos Gods, frustrated with Horus' belief that he was in control, withdraw their blessings from him at a critical moment. Realizing he had been a pawn of Chaos all along, Horus begs the Emperor to kill him. Using Persson's Athame blade, the Emperor destroys the Warmaster body and soul. With the death of Horus, the Warp around Terra dissipates, and time resumes. Dorn, Valdor, and their warriors arrive to find the Emperor near death and return him to Terra, while Loken remains with his fallen Primarch just as Abaddon and his warriors arrive. Abaddon and Loken elect to peacefully part ways, but Loken is killed by Erebus, who explains that his death was necessary for the Daemon Samus to be born in the Warp. The Emperor is installed into the mechanism of the Golden Throne, paving the way for the next ten thousand years...
<ref name=b24-sub>The subtitle ''Blood for the Blood God'' is also the title of an unrelated 2008 ] novel. See {{worldcat|name=''Blood for the blood god''|oclc=241046526}}. {{Retrieved|accessdate=2013-02-26}}</ref>


== {{anchor|media}}Media and editions ==
<ref name=b25>{{harvs|nb|last=Goulding|year1=2013|loc1=(e&#8209;audiobook)}}.</ref>
Series titles are released in multiple versions: in print as ]s and ]s (with paperback editions printed in ] and ] formats); as ]; and as either ] or unabridged ]s and e‑audiobooks (respectively, in ] and ] formats{{spnd}} the Black Library has partnered with specialist UK company Heavy Entertainment for audio production).


{{As of|2013|04}}, print editions were generally {{nowrap|between 400 and 500 pages,}} though some ] versions have rendered in more; total series length in first paperback edition was about {{nowrap|10,600 print pages}} (24&nbsp;titles). Digital editions ranged in size from less than a ] (some e‑book releases) to over a ] (some e‑audiobook releases); the totals run from a low of about 10&nbsp;MB (for {{nowrap|22 e-book}} titles, in ] format) to a high of about 11&nbsp;GB (for 13&nbsp;unabridged titles, in ] format). Durations of audio versions spread from about 6&nbsp;hours for the abridged editions to anywhere between {{nowrap|11 and 19 hours}} for the unabridged editions; the total length of the unabridged edition was about 168&nbsp;hours, divided among 13&nbsp;titles. CD audiobooks were published in packages of 5&nbsp;discs per abridged title; two unabridged titles were available on CD, with the longest packaged in 13&nbsp;discs.{{r|b-physical|lst-note1}}
<ref name=b25-toc>"The Shards of Erebus" by Guy Haley; "Calth that Was" (novella) by Graham McNeill; "Dark Heart" by Anthony Reynolds; "The Traveller" by David Annandale; "A Deeper Darkness" by Rob Sanders; "The Underworld War" by Aaron Dembski&#8209;Bowden; "Athame" by John French; and "Unmarked" by Dan Abnett {{harv|Goulding|2013|loc={{interp|track list, track intro}}}}. "Dark Heart" was previously published in text, as an "e&#8209;short" in January&nbsp;2013 {{harv|Reynolds|2013}}.</ref>


Outside the UK, series titles are published in several countries and languages by Black Library divisions or as ] with local associates. {{As of|2013|04}}, other-language renditions lagged the English-language series in the number of released titles, and had followed distinct publication schedules and release sequences. Also {{As of|2013|04|lc=y}}, editions in other languages were published in paperback and e‑book formats.
<ref name=b3>{{harvs|nb|last=Counter|year1=2006|loc1=(] paperback)|year2=2010a|loc2=(e&#8209;book)|year3=2012|loc3=(audiobook)}}.</ref>


Starting November 2010, new titles have often been released simultaneously in multiple media; occasionally since then, new titles' digital or audio releases have preceded the print versions, in reverse of previous practice (see table "Published" ]). Stories in series compilations have also been published individually, as e‑books, and as MP3 or ] "audio shorts".
<ref name=b3-rev>Brief review of the abridged CD-audio edition: {{harvnb|Internet Bookwatch|2012}} (positive).</ref>


Series stories have appeared in whole or in part in other Black Library publications, sometimes before the corresponding series books have become generally available; prepublications have included stand-alone releases of compilation stories. "Prerelease" copies of series volumes have been regularly offered months before official publication, in Games Workshop- and Black Library‑sponsored events such as the various ]s.{{r|other-pub}}
<ref name=b4>{{harvs|nb|last=Swallow|year1=2007|loc1=(] paperback)|year2=2010a|loc2=(e&#8209;book)|year3=2012b|loc3=(e&#8209;audiobook)}}.</ref>


There have been a number of special editions and ] published in a variety of media; bundles have included the "Horus Heresy Collections", which mix editions and media of the same or different titles. Certain special editions are available in limited distribution months before the release of the corresponding regular, or wider-release, versions.
<ref name=b4-rev>Review: {{harvnb|Rhoads|2012}} (mostly positive).</ref>


The books' cover art has been separately released, in ] and other formats. Series bundles and special offers have also contained the separate artwork releases of the included titles.{{r|eds|exclusive}}
<ref name=b5>{{harvs|nb|last=McNeill|year1=2007|loc1=(] paperback)|year2=2010b|loc2=(e&#8209;book)|year3=2013b|loc3=(e&#8209;audiobook)}}.</ref>


=== {{anchor|premium}}"Premium" editions ===
<ref name=b5-sub><!-- Nested footnote -->In some editions, ] is subtitled ''The last Phoenix'', see {{worldcat|name=''Fulgrim: the last phoenix''|oclc=123798776}}. {{Retrieved|accessdate=2012-02-07|append=;}} the subtitle ''Visions of treachery'' is also the title of ] in the ].</ref>
English-language series releases include publishing of the titles in special "premium" editions: "Premium Hardback" (print) and "Enhanced Ebook" (digital). These versions contain additional material and artwork, and are published several months before their general-availability or regular edition counterparts. The first title to appear in "premium" editions, in October 2012, was '']'' (Book&nbsp;23). The earlier catalogue of the series is also republished in these editions, again beginning October 2012 with the series-opening ].{{r|hh-pe|b1-rev|exclusive}}


=== Other special editions (selections) ===
<ref name=b6>{{harvs|nb|last=Scanlon|year1=2007|loc1=(] paperback)|year2=2010|loc2=(e&#8209;book)}}.</ref>
* {{anchor|book1-ae}}'']''{{spnd}} Dan Abnett. "5th Anniversary Edition" to mark the 5‑year publishing history of the series. With {{" '}}titanium blue' foil treatment on the cover" and it includes "an exclusive new introduction by author Dan Abnett"{{r|bl-b1-ae|b1-rev}}{{spnd}} April 2011{{r|b1-ae}}
* ''Limited Edition Horus Heresy Audio Boxset''{{spnd}} Dan Abnett, Ben Counter, Graham McNeill. Contains the abridged CD‑audio versions of the series{{'}} opening trilogy narrated by Martyn Ellis. Abridged by Christian Dunn. Includes an exclusive bonus CD containing the short story "Little Horus" by Abnett, from the '']'' compilation, also read by Ellis. Total duration is about 18&nbsp;hours, contained in 16&nbsp;discs. Edition limited to 2,000&nbsp;copies worldwide{{r|bl-b1-3-as}}{{spnd}} November 2011{{r|b1-3-as}}
* ''Xmas 2011 Horus Heresy eBundle''{{spnd}} ]. E‑book edition of the first 17&nbsp;Books in the series. One of several series bundles, this was offered as a {{nowrap|"Christmas 2011 Special"}}{{spnd}} November 2011{{r|b1-17-eb}}


== Reception ==
<ref name=b6-rev>Review: {{harvnb|Wolff|2009}} (neutral).</ref>
Several{{clarify|date=May 2013}} novels in ''The Horus Heresy'' series have appeared in UK and US ] charts, have occupied high positions in ] genre lists, and since early&nbsp;2010 have often charted in ] for mass-market paperbacks.{{citation needed|date=May 2013}}


Critical reception of individual titles has been mixed, yet the general tone of reviews has been mostly positive. Although the series overall has been viewed favourably, there have been complaints about its length, the multitude of characters and narrative threads, and the timeline jumps or repetitions caused by the nonlinear storytelling.{{r|crit-balance}} The evolving series is said to have gradually acquired a backstory and terminology of its own; this has led reviewers to question the accessibility of individual stories to new or casual readers.{{r|crit-cmnt}}
<ref name=b7>{{harvs|nb|last=Abnett|year1=2008|loc1=(] paperback)|year2=2010b|loc2=(e&#8209;book)}}.</ref>


'''{{vanchor|Sales}}'''
<ref name=b8>{{harvs|nb|last=Counter|year1=2008|loc1=(] paperback)|year2=2010b|loc2=(e&#8209;book)}}.</ref>


Early in its publishing history, the series became a sales success in its category. '']'' by Dan Abnett, the opening title, set the pace shortly after its release, topping '']'' magazine's "Locus Bestsellers: Gaming-Related" list of August 2006; {{As of|2012|09|alt=as of ] (September 2012),}} practically every title in the series had achieved the same or similar performance on this chart.{{r|loc-bsl}}{{Original research inline|date=January 2023}} ''Horus Rising''{{'}}s January 2011 ] also appeared in ranked sales lists: the (abridged) edition was number&nbsp;15 in a related chart published by '']'', covering&nbsp;2011 UK sales up to September.{{r|bs-b1-cd}}
<ref name=b9>{{harvs|nb|last=McNeill|year1=2008|loc1=(] paperback)|year2=2010c|loc2=(e&#8209;book)}}.</ref>


'']'' by Abnett, and '']'' by Ben Counter, were listed in Nielsen BookScan's list of top‑20 fictional works by small publishers for the year ending 23 August 2008; the books appeared in eighth and sixteenth place respectively.{{r|bs-b7b8}} The next published title, '']'' by Graham McNeill, entered ''The Bookseller''{{'}}s "Top&nbsp;20 Fiction Heatseekers" chart of 5 December 2008, shortly after its release, at number&nbsp;10; series titles have consistently appeared in this list.{{r|bs-b9etc}}
<ref name=b9-rev>Review: {{harvnb|Wolff|2011}} (positive).</ref>


'']'' by McNeill was released in February 2010 and arrived at number&nbsp;22 on The New York Times Bestseller List, the first ever novel on the Black Library imprint to do so.{{r|b15-bsl}} '']'' by James Swallow followed, reaching number&nbsp;26 on the List in August 2010. '']'', by Aaron Dembski‑Bowden, reached number&nbsp;28 in the weekly chart in November 2010 and stayed on the List for a second week, at number&nbsp;33. Abnett's '']'' was next, reaching number&nbsp;16 in January 2011; this title also topped a science fiction and fantasy book chart published by '']''&nbsp;(London) in March of the same year.{{r|times-b15}}
<ref name=b9-sub><!-- Nested footnote -->In some editions, ] is subtitled ''Knowledge is power'', see {{worldcat|name=''Mechanicum: <nowiki></nowiki>''|oclc=209718112}}. {{Retrieved|accessdate=2012-02-07}}</ref>


The compilation '']'', edited by Christian Dunn, also entered The New York Times Best Sellers List, in May 2011, at number&nbsp;31. Book&nbsp;19, '']'', again by Abnett, continued the trend: it appeared at number&nbsp;21 in March 2012. It was followed on the List by the next series title, '']'', a compilation edited by Dunn, which occupied position&nbsp;29 during the week of 17 June 2012; in addition, ''The Primarchs'' had placed first in '']''{{'s}} science fiction bestsellers listing for the week of 28 May 2012.{{r|pw-b20}} In September 2012 '']'' by Swallow entered The New York Times Best Sellers List at number&nbsp;13, at the time the highest entry on that chart for a series novel; the book remained on the List the week after (week of September 23), at number&nbsp;33.{{r|nyt-bsl}}
<ref name=background>{{harvs|nb|last=Flory|year1=2007|year2=2011|loc2=¶&nbsp;2}}; {{harvnb|Fortune|2012|loc=¶&nbsp;2}}; {{harvnb|Gronli|2008a|loc=¶&nbsp;2. "{{interp|The series}} is a futuristic multi-installment retelling of the epic poem ''Paradise Lost''"}}; {{harvs|nb|last=Horus Heresy Online|year1="The Characters"|year2="The Story"}} (both from the series{{'}} official website); {{harvnb|Dembski-Bowden|2012a|loc=§&nbsp;"Author's Note", p.&nbsp;9. "{{interp|A}}s more of the Horus Heresy comes to light in the&nbsp;...&nbsp;{{interp|series}}, the lore of the Warhammer&nbsp;40,000 universe undergoes subtle shifts in scope."}} (By a Horus Heresy and Warhammer&nbsp;40,000 author).</ref>


== {{anchor|related}}Related works ==
<ref name=bl-b1-3-as>{{harvnb|Black Library Online|"Horus Heresy Audio Boxset"}}.</ref>
Between the late–1980s introduction of the Horus Heresy and the start of this series publication in&nbsp;2006, Games Workshop and affiliates released {{em|Horus Heresy}}-branded products that expanded the concept's standing as ''Warhammer&nbsp;40,000'' background material.{{r|audience-pov}} The release of such works, which include literature independent of this series, continued {{As of|2013|lc=y}}; the works may relate to it as prequels, sequels, or expansions of its stories.


Pre-series Horus Heresy literature and other related works may have been ], while other similar material may no longer be authoritative even as it remains in Horus Heresy and ''Warhammer&nbsp;40,000'' canons;{{r|development}} still other non-series Horus Heresy material has been eventually incorporated into the work.{{r|b22-toc}}
<ref name=bl-b1-ae>{{harvnb|The Black Library Team|2011}} (publisher webpage).</ref>


A significant development was the&nbsp;2012 initial release of the ''Horus Heresy'' miniatures wargame expansion, which repositioned the concept as a foreground element within the ''Warhammer&nbsp;40,000'' gaming system{{spnd}} while highlighting the importance of the Horus Heresy to Games Workshop's product lineup and the related universe.{{r|sales-perform}} The expansion is reputedly developed in coordination with the book series, and includes new material and information about the Horus Heresy and the fictional universe; it joins the series and other works as an authoritative source of Heresy material and ''Warhammer&nbsp;40,000'' background.{{r|hh-mwg}}
<ref name=bl-cs>{{harvnb|Black Library Online|"Coming Soon"}}.</ref>


The Black Library and Games Workshop have released novels, game rulebooks, and other products not branded or classified as ''Horus Heresy'', yet directly relating to story arcs or events described in the series. An example is listed in the ].
<ref name=bookmatter>{{harvnb|Horus Heresy (book series)|2006–2013}}; {{harvnb|Horus Heresy Online|"The Characters"}}; §&nbsp;"Timeline"{{spnd}} in reprints or editions of {{harvnb|Counter|2006}} and {{harvnb|Swallow|2007}} (]). Contains brief descriptions of distinct Warhammer&nbsp;40,000 time periods, from its first millennium ("{{abbr|M1|1st&nbsp;millennium|u}}") up to the books' time frame. Unless otherwise specified, all references to print versions of series titles apply to UK ] ] ({{abbrw|mm paperback}} herein) as reported by the {{anchor|bnb}}{{URL|1=http://bnb.bl.uk/|2=British National Bibliography}} project, or in publisher-related sources such as the webpages included here. {{Retrieved|accessdate=2013-05-02|append=&nbsp;(British National Bibliography weblink).}}</ref>


=== Selections ===
<ref name=botf>{{harvnb|Wraight|2011b}}.</ref>
* ''Collected Visions: Iconic Images of the Imperium, Betrayal and War''{{spnd}} Alan Merrett (writer), ] (conceptual art), Nick Kyme and Matt Ralphs (editors), and many additional contributors. ] of the four-volume ''Horus Heresy'' art book series (2004–06); it outlines the entire Horus Heresy in art and prose. {{As of|2013|02}} it was partially superseded, amended, or expanded by the continuing book series and the newer ''Horus Heresy'' rulebook series (see ]). As of the same month it remained the most comprehensive official roadmap for the complete Heresy storyline{{spnd}} June 2007{{r|Merrett2007}}
* {{anchor|botf}}''Battle of the Fang''{{spnd}} Chris Wraight. ''Warhammer&nbsp;40,000'' novel in the '']''. The story takes place a thousand years after the Horus Heresy, and is a continuation of the arc presented in Books&nbsp;12 ('']''), and&nbsp;15 ('']''){{spnd}} June 2011{{r|botf}}
* ''Aurelian''{{spnd}} Aaron Dembski‑Bowden. Subtitled ''The Eye stares back'', this "Horus Heresy novella" is part of a story arc along with '']'', Book&nbsp;14 in the series{{spnd}} October 2011{{r|aur-gld}}
* {{anchor|rs-book1}}''Betrayal''{{spnd}} Alan Bligh (writer), and ] artists and designers. "Volume One" in the ''Horus Heresy'' rulebook series. This series is part of the stand-alone ''Horus Heresy'' expansion for the ''Warhammer&nbsp;40,000'' game system; the expansion is produced by Games Workshop ] subsidiary Forge World. ''Betrayal'' is centered on the events of ], also described in ''Galaxy in Flames'', ] of the book series{{spnd}} September 2012{{r|mwg-b1}}


== See also ==
<ref name=bs-b1-cd>{{harvnb|Stone|2011b|loc=§&nbsp;"Top&nbsp;20 audiobooks fiction"}}. Two related works from the Horus Heresy ] series ] appeared in the same list: the ''Legion of One'' CD (''Garro'' vol.&nbsp;1) was in the top position; the CD for volume&nbsp;2, ''Oath of Moment'' was at number&nbsp;9.</ref>
* ]


== Notes ==
<ref name=bs-b7b8>{{harvnb|Stone|2008|loc=p.&nbsp;S6. "''The Bookseller'' classifies a small publisher as any&nbsp;...&nbsp;{{interp|with}} revenue&nbsp;...&nbsp;{{interp|in the}} last year of {{nowrap|less than 0.3%}} {{interp|of the Total Consumer Market}}&nbsp;...."}}</ref>
{{reflist|30em|refs=
{{refn|name=eds<!-- Footnote nest -->|{{harvnb|The Black Library Team|2013}}; {{harvnb|Black Library Online|"Horus Heresy"}}. Books&nbsp;1–22 originally printed as mass-market (mm) paperbacks. For ] and following, first general-availability print edition is in trade format with fold-out cover. See also {{harvnb|Black Library Facebook Page|2012|loc={{URL|1=https://www.facebook.com/theblacklibrary/posts/397929666948993?comment_id=2921533|2={{interp|post by Black Library, 7 December 2012 at 4:56&nbsp;am}}}}}}. {{Retrieved|access-date=January 4, 2012|append=;}} imprints or editions of individual novels may have alternate subtitles{{r|b5-sub|b9-sub}} and may also have variations in punctuation or capitalization of title or subtitle; for examples of compilation stories that have been published individually see: {{harvnb|Black Library Online|"Ebooks: Horus Heresy"}} (includes listing of short story e‑books). {{harvnb|Kyme|2011a}} (downloadable "audio short"). {{harvnb|Abnett et al.|2011}} (audiobook bundle includes a short story extra on separate disc media); {{As of|2013|04|lc=y}} the series as a whole was not assigned an official series or "set" ], nor an ]. However unique ISBNs may be assigned to the publisher's ] offers; publication details of series titles may not be presented uniformly across publisher communications, such as in the official series website (listed in §&nbsp;]), and the Black Library webpages listed here; this article refers to UK releases and more generally to English-language editions, except where stated otherwise. For series titles published in other languages, see {{URL|1=http://www.worldcat.org/search?q={{urlencode:kw:horus heresy AND -ln:eng AND x0:book AND -mt:juv AND mt:fic|QUERY}}|2=non-English editions}} in libraries (] catalog). {{Retrieved|access-date=March 18, 2012}} }}


<ref name="Merrett2007">{{harvnb|Merrett|2007}}.</ref>
<ref name=bs-b9etc>{{harvnb|Bookseller|2008}}; {{harvnb|Stone|2009|loc="Titles from Games Workshop's Black Library publishing arm always hover around or in The Bookseller's weekly small publishers charts, and three titles make the&nbsp;2009 Top&nbsp;20."}} {{interp|The titles referred to were all series Books}}.</ref>


<ref name=audience-pov>The audience has a partially ], since a number of significant events, the general outline, and the ending of the Horus Heresy are known in advance. Story elements have been published by ] starting&nbsp;1988 {{harv|Merrett|2007|p=6&nbsp;{{interp|not numbered}}}}; a comprehensive outline, including the conclusion, was published in the four-volume ''Horus Heresy'' art book series between May 2004 and July 2006. This series was republished in a 2007&nbsp;], see ''Collected Visions'' (in §&nbsp;]).</ref>
<ref name=chaos>{{harvnb|Merrett|2007|pp=34, 133, 322, 324}}; {{harvnb|McNeill|2010d-1|p=348}}; {{harvnb|Dembski-Bowden|2010-2|pp=187, 191–192}}; {{harvnb|Thorpe|2012a-3|pp=52, 166}}; {{harvnb|Troke et al.|2012|pp=144, 218, 222}}.</ref>


<ref name=aur-gld>{{harvnb|Dembski-Bowden|2011}}. Originally offered as a "Collectors Edition" web exclusive.</ref>
<ref name=char-drive>{{harvnb|Sobel|2010|loc=¶¶&nbsp;5, 6. "{{interp|T}}he characters&nbsp;...&nbsp;are vividly portrayed and&nbsp;...&nbsp;bring something unique&nbsp;...&nbsp;to the storyline. ...&nbsp;{{interp|The series}}&nbsp;...&nbsp;takes characters from very black and white stories of good and evil&nbsp;...&nbsp;and shows you the many shades of grey&nbsp;..."}}. From a review of Book&nbsp;12, ]. In contrast Book&nbsp;19, ], is written around the event timeline. Though it develops several characters, it assumes more of a bird's-eye view to the action {{harv|Fortune|2012|loc=¶¶&nbsp;2–3. "Several of these novels focus on the motivations and reasons behind a galaxy spanning war, whereas others simply deliver cracking tales of warfare. ''Know No Fear'' sits in the latter category"}}.</ref>


<ref name=b-physical>] approx. {{convert|17|x|10|cm|in|abbr=on}}; ] approx. {{convert|23|x|15|cm|in|abbr=on}}. Sources: ]; ]; digital media size range reflects ] ] formats. "Enhanced e‑book" editions not included in the indicated values (such versions may be substantially larger). Range values are extrapolated approximations, see {{harvtxt|Black Library Online|FAQ|loc="What size are the files?"}}; for audio edition information, see individual title listings under {{harvtxt|Black Library Online|"Horus Heresy"}}</ref>
<ref name=char-history>{{harvnb|Sharps|2012|loc=¶&nbsp;2}}; {{harvnb|Bosier|2013|loc=¶&nbsp;9 {{interp|begins with "Speaking of Grendel&nbsp;..."}}}}; {{harvnb|Reynolds|2012|loc=] {{interp|p.&nbsp;4&nbsp;(not numbered)}}}}. Omnibus edition of a novel mini-series published {{nowrap|between 2007 and 2010.}} Example of Warhammer&nbsp;40,000 literature set in the post-Heresy universe, that includes appearances by major Heresy characters such as ] and ]; see also ]. ] originally published in&nbsp;2003, that introduced several Heresy characters.</ref>


<ref name=b1-17-eb>{{harvnb|Series authors|2011}} {{interp|estimated total size approx. 14&nbsp;]s}}. Limited-time offer expired&nbsp;2012, see {{Cite web |url=http://www.blacklibrary.com/all-products/xmas-2011-horus-heresy-complete-works.html |title="The Black Library – Xmas Horus Heresy Complete Works" |access-date=December 31, 2012 |archive-url=https://web.archive.org/web/20120116094030/http://www.blacklibrary.com/all-products/xmas-2011-horus-heresy-complete-works.html |archive-date=January 16, 2012 |url-status=dead }} {{interp|Archive of a ] of the same page by the ] (])}}. {{Retrieved|access-date=December 31, 2012}}</ref>
<ref name=char-traits>{{harvnb|Rhoads|2011b|loc=¶&nbsp;4. "{{interp|T}}he central story of the Heresy is a very human one. It is a tragedy, one caused by such everyday emotions as jealousy and pride."}}; {{harvnb|Sobel|2010|loc=¶&nbsp;6. "{{interp|T}}he very human tragedies at the centre of those stories."}}</ref>


<ref name=b1-3-as>{{harvnb|Abnett et al.|2011}}.</ref>
<ref name=cohesion>{{harvnb|Flory|2007}}; {{harvnb|Rhoads|2011a|loc=¶&nbsp;2}}; {{harvnb|TV Tropes|"Horus Heresy"|loc=¶&nbsp;"Depending on the Writer". "Impressively averted for a series that so far has had seven different authors."}} {{interp|Note information regarding the number of authors in the preceding quote has been superseded. See also {{tvtropes|DependingOntheWriter|Depending on the Writer}}. {{trim|{{Retrieved|accessdate=2012-03-16|append=}}}}}}.</ref>


<ref name=b1-ae>{{harvnb|Abnett 2011c}}.</ref>
<ref name=crit-auth>{{harvnb|Bosier|2010|loc=¶&nbsp;3. "{{interp|T}}he sense of majesty and glory is palpable in the hands of the more talented authors"}}; {{harvnb|Gronli|2008b|loc=¶&nbsp;2}}; {{harvnb|Wolff|2011|loc=¶¶&nbsp;1, 2}}.</ref>


<ref name=b1-rev>Review of ''Horus Rising'' ]: {{harvnb|Rhoads 2011b}}; and of the ]: {{harvnb|Scholes|2013}}. (Both positive).</ref>
<ref name=crit-balance>Critics' praise: {{harvnb|Flory|2011|loc=¶&nbsp;2. "There have been a few little blips along the way&nbsp;...&nbsp;but on the whole, the 'Horus Heresy' series has consistently demonstrated why it’s the flagship series for the Black Library"}}{{spnd}} and critics' complaint: {{harvnb|Dean|2011|loc=¶&nbsp;1. "Here we go again,&nbsp;...&nbsp;the {{interp|Horus Heresy}} plot has been drawn out like over-stretched chewing gum"}}; {{harvnb|Sobel|2010|loc=¶&nbsp;5. "Certain reviewers have criticised the glut of personalities&nbsp;...&nbsp;and in some cases my experience has resonated with this critique"}}; {{harvnb|Wolff|2011|loc=¶&nbsp;2. "{{interp|T}}he Horus Heresy has had its ups&nbsp;...&nbsp;and downs...."}}; {{harvnb|Flory|2012|loc=¶&nbsp;7. "{{interp|The series}}&nbsp;...&nbsp;has already been proven to jump backwards and forwards along its own timeline and certain events&nbsp;...&nbsp;have already been alluded to."}}</ref>


<ref name=b10-toc>"Blood Games" by Dan Abnett; "Wolf at the Door" by Mike Lee; "Scions of the Storm" by Anthony Reynolds; "The Voice" by James Swallow; "Call of the Lion" by Gav Thorpe; "The Last Church" by Graham McNeill; and "After Desh’ea" by Matt Farrer {{harv|Kyme|Priestley|2009|loc=§&nbsp;"Contents"}}</ref>
<ref name=crit-cmnt>Postulated creative constraints: {{harvtxt|Rhoads|2010|loc=¶&nbsp;1}}; {{harvtxt|Dean|2011|loc=¶&nbsp;4}}; fans vs. casual readers: {{harvtxt|Fortune|2012|loc=¶&nbsp;4}}; {{harvtxt|Rudden|2012|loc=final paragraph}}.</ref>


<ref name=b12-rev>Review: {{harvnb|EIW|2010}} (mostly positive).</ref>
<ref name=crusade>{{harvnb|Merrett|2007|pp=9, 12, 15, 46}}; {{harvnb|Abnett|2006|loc=], pp.&nbsp;46–47}}; {{harvnb|Ansell|Priestley|1990|pp=174, 175}}; {{harvnb|Rhoads|2010|loc=¶&nbsp;3. "{{interp|T}}he zenith of the Imperium&nbsp;..."}}</ref>


<ref name=b12b15-rev>Combined review of ''A Thousand Sons'' and ''Prospero Burns'' CD-audio editions: {{harvnb|Fortune|n.d.}} (positive).</ref>
<ref name=dark-origin>{{harvnb|McNish|2011|loc="{{interp|T}}he dark heart of the series' premise...."}}; {{harvnb|Rudden|2012|loc=¶&nbsp;3. "{{interp|T}}hat nod-and-wink-to-crushing-doom sense the best Heresy novels have"}}; for the concept's origins see §&nbsp;{{See section|Horus Heresy|Introduction}}; for items related to the wider fictional universe, see '']''; unless otherwise specified, "series" or "book series" refers to the "''Horus Heresy'' book series" throughout this article.</ref>


<ref name=b13-rev>Review: {{harvnb|Gronli 2010b}} (mixed).</ref>
<ref name=dating>{{harvnb|Troke et al.|2012|loc=§&nbsp;"The March of Time", p.&nbsp;406}}. Description of the Warhammer&nbsp;40,000 dating system.</ref>


<ref name=b14-rev>Review: {{harvnb|Rudden|2012}} (positive).</ref>
<ref name=development>{{harvnb|Rundle|2010|loc={{URL|1=http://www.scifinow.co.uk/interviews/8556/interview-dan-abnett/2/|2=p.&nbsp;2}}}}. {{Retrieved|accessdate=2013-01-02}} From an interview with series author Dan Abnett; {{harvnb|Farley|2010}}. Interview with Neil Roberts, the series{{'}} main artist; {{harvnb|Rhoads|2010|loc=¶&nbsp;1}}. From a reviewer's essay; for a creator's perspective on working within the overall Warhammer environment see {{harvtxt|Baxter|2003}}.</ref>


<ref name=evolution>{{harvnb|Troke et al.|2012|pp=163–164}}.</ref> <ref name=b15-bsl>{{harvnb|Gronli|2010a}}.</ref>


<ref name=b16-rev>Review: {{harvnb|Flory|2011}} (positive).</ref>
<ref name=exclusive>{{As of|2013|04}}{{Update after|2013|12|31|reason=still exclusive?}}, all digital media editions, the books' art, and the majority of special editions and bundles were offered exclusively through the publisher's online or physical outlets {{harv|Black Library Online|FAQ}}; this included the "Horus Heresy Collections" {{harv|Black Library Online|"Horus Heresy Collections"}}, and the titles' "Premium Hardback Edition" ({{harvnb|The Black Library Team|2012b}}; "premium" editions are offered at a substantially higher price compared to regular versions, see {{harvnb|Black Library Online|"Horus Heresy"}} for price information); {{harvnb|Todd|2013|loc=¶&nbsp;2. "{{interp|T}}he traditional publishing model of 'hardback followed by paperback edition much later&nbsp;....{{'"}}}}</ref>


<ref name=b16-toc>"Rules of Engagement" by Graham McNeill; "Liar's Due" by James Swallow; "Forgotten Sons" by Nick Kyme; "The Last Remembrancer" by John French; "Rebirth" by Chris Wraight; "The Face of Treachery" by Gav Thorpe; "Little Horus" by Dan Abnett; "The Iron Within" by Rob Sanders; and "Savage Weapons" by Aaron Dembski‑Bowden {{harv|Dunn|2011-1|loc=§&nbsp;"Contents"}}. One story, "The Iron Within", was prepublished in ''Hammer and Bolter'', a Black Library e‑magazine, in February 2011 {{harv|Sanders|2011}}; "The Last Remembrancer" was included in the same magazine's May 2011 issue, published simultaneously with the series book {{harv|French|2011}}.</ref>
<ref name=fan-price>{{harvnb|Black Library Facebook Page|2012}}. Includes several comments from fans of the series regarding the publisher's pricing practices.</ref>


<ref name=b17-con>Reputed continuity problems introduced in the series by story elements in '']'' have been the subject of discussion among the Warhammer&nbsp;40,000 ] {{harv|Antigonos et al.|2011}}; see also {{harvtxt|Dembski-Bowden|2012a|loc=§&nbsp;"Author's Note", p.&nbsp;9}}</ref>
<ref name=fan-talk>Series authors have been known to participate in related ] discussions as in {{harvnb|Antigonos et al.|2011|loc=(author ], also referred to as "A-D-B" in the discussion, uses the ] "Dead.Blue.Clown" therein)}}; a Black Library staff editor has used such a forum to provide original information about the series or its subject, see in {{harvtxt|Marcoos et al.|2013|loc={{interp|post:}} "LaurieGoulding Posted: Jan 24 2013, 12:32 PM", "Here you go, straight from the horse's mouth:&nbsp;..."}} ] ("LaurieGoulding"), a Black Library editor, has been involved in Warhammer&nbsp;40,000 ] work.</ref>


<ref name=b17-rev>Review of the e‑audio edition: {{harvnb|Dean|2011}} (mixed).</ref>
<ref name=fandom>An apparent minority among fans has considered the series publication as unnecessary tampering with the universe's legends, or has disagreed with the shifting of the focus to an earlier period, see reader comments at {{harvnb|Brent (Brent Aleman)|2013}}; elsewhere, see {{harvtxt|Connor MacLeod et al.|2012}} for a fan-authored, detailed analysis of series titles, and {{harvtxt|Perrin et al.|2011}} for a discussion of its art; by using published details and minutiae, fans have created unofficial works that fill gaps in series coverage, such as a partial "Horus Heresy timeline" {{harv|isilvra|2011}}. The related discussion includes comments on continuity, as does {{harvnb|Antigonos et al.|2011}}; Heresy-related fan fiction has been judged in unofficial competitions by series authors or editors, and winners have been collected in short story compilations released as ] works through sponsoring ]s {{harv|Goulding|2009}}; an ongoing ({{As of|2013|03|lc=y}}) discussion of future series releases was at {{harvtxt|Masshuu et al.|2010}}.</ref>


<ref name=hh-mwg>{{harvnb|Bickham|2012}} (from a Games Workshop monthly publication).</ref> <ref name=b19-rev>Review: {{harvnb|Fortune|2012}} (positive).</ref>


<ref name=b20-rev>Review: {{harvnb|Dean|2012}} (negative).</ref>
<ref name=hh-pe>Book&nbsp;23 "premium" editions: {{harvs|nb|last=McNeill|year1=2012b-1|loc1=(hardcover)|year2=2012b-2|loc2=(e&#8209;book)}}. Book&nbsp;1 republished in same: {{harvs|nb|last=Abnett|year1=&#91;2006&#93; 2012b-1|loc1=(hardcover)|year2=&#91;2010&#93; 2012b-2|loc2=(e&#8209;book)}}.</ref>


<ref name=b20-toc>"The Reflection Crack'd" by Graham McNeill; "Feat of Iron" by Nick Kyme; "The Lion" by Gav Thorpe; and "The Serpent Beneath" by Rob Sanders {{harv|Dunn|2012-3|loc=§&nbsp;"Contents"}}. "Feat of Iron" complements a non-series Horus Heresy novella by the same author {{harv|Kyme 2011b}}; "The Lion" was prepublished in digital format, as a ''Hammer and Bolter'' ] {{harv|Thorpe 2012b}}.</ref>
<ref name=history>{{harvnb|Flory|2007|loc={{"'}}The Horus Heresy'&nbsp;...&nbsp;has been a well known part of the Warhammer canon for a number of years. ...&nbsp;{{interp|The series is}} detailing exactly what happened."}}; {{harvnb|Sobel|2010|loc=¶&nbsp;6. "{{interp|B}}ringing to life&nbsp;...&nbsp;characters that have long occupied the role of legends in the Warhammer&nbsp;40,000 mythos"}}; {{harvnb|Rudden|2012|loc=¶&nbsp;4. "{{interp|T}}his is the start, this is how things were meant to be."}}</ref>


<ref name=i-truth>{{harvnb|Abnett|2006|pp=59–63}}; {{harvnb|Kyme|Priestley|2009|p=160}}; {{harvnb|McNeill|2009}}.</ref> <ref name=b21-rev>Review: {{harvnb|Sharps|2012}} (positive).</ref>


<ref name=b22-rev>Review: {{harvnb|Fergus|2012}} (positive).</ref>
<ref name=identity>{{harvnb|Bosier|2010|loc=¶&nbsp;6. "{{interp|T}}he feel of the Horus Heresy books is entirely different than those of&nbsp;...&nbsp;{{interp|other Warhammer&nbsp;40,000}} books because the subject matter is inherently different"}}; {{harvnb|Rhoads|2010}}; {{harvnb|Flory|2007|loc="{{interp|The books}} require little or no background knowledge to fully appreciate"}}; however, see {{harvtxt|Rudden|2012|loc=final paragraph}}. According to this reviewer, individual titles may be progressively less accessible to readers who come late to the series.</ref>


<ref name=b22-toc>Short stories: "The Dark King", "The Kaban Project", and "Death of a Silversmith" by Graham McNeil; "The Lightning Tower" by Dan Abnett; "Raven's Flight" by Gav Thorpe (these stories were previously published; "Raven's Flight", a prequel to ], is an adaptation of an original "Horus Heresy Audio Drama", the first such entry in this series). Novellas: "The Crimson Fist" by John French (prepublished as stand-alone e‑book, see {{harvnb|French|2012}}); "The Prince of Crows", an original story by Aaron Dembski‑Bowden. {{harv|Dunn|Kyme|2012-2|loc=edition notice {{interp|p.&nbsp;6&nbsp;(not numbered)}}, §&nbsp;"Contents"}}.</ref>
<ref name=loc-bsl>{{harvs|nb|author=Locus Online|year1=2006|year2=2013}}. {{interp|For listings of other series titles, search ''Locus Online''{{'}}s {{URL|1=http://www.locusmag.com/Magazine/category/bestsellers/|2="Locus Bestsellers"}} category archives. {{trim|{{Retrieved|accessdate=2013-04-26|append=}}}}}}.</ref>


<ref name=b23-pre>"The Reflection Crack'd" by Graham McNeil {{harv|Dunn|2012-3|pp=11–110}}, and "The Crimson Fist" by John French {{harv|Dunn|Kyme|2012-2|pp=11–123}}.</ref>
<ref name=lst-note1>{{As of|2013|04|alt=As of ] (originally published December&nbsp;2012)}}; for more information, see cited works under §&nbsp;].</ref>


<ref name=b23-rev>Review: {{harvnb|Bosier|2013}} (positive).</ref>
<ref name=lst-note2>For novella and short story information, see relevant footnote(s) at the synopsis of the containing title (the compilations are indicated in the ] table).</ref>


<ref name=mwg-b1>{{harvnb|Bligh|2012}}.</ref> <ref name=b24-rev>Review of the "Premium Hardback" edition: {{harvnb|Sharps|2013}} (positive).</ref>


<ref name=b24-sub>The subtitle ''Blood for the Blood God'' is also the title of an unrelated 2008 '']'' novel. See {{worldcat|name=''Blood for the blood god''|oclc=241046526}}. {{Retrieved|access-date=February 26, 2013}}</ref>
<ref name=narrative-pov>One short story {{harv|Wraight|2011a}}, mixes ] and ] narrative threads; {{harvnb|French|2012}}, a novella, does the same; another short story is written entirely in first person: {{cite book|ref=harv|last=McNeill|first=Graham|year=2012a|origyear=originally published 2011|contribution=Death of a Silversmith|editor={{harvnb|Dunn|Kyme|2012-2}}|pages=269–284|authorlink=Graham McNeill|separator=,}}</ref>


<ref name=b25-toc>"The Shards of Erebus" by Guy Haley; "Calth that Was" (novella) by Graham McNeill; "Dark Heart" by Anthony Reynolds; "The Traveller" by David Annandale; "A Deeper Darkness" by Rob Sanders; "The Underworld War" by Aaron Dembski‑Bowden; "Athame" by John French; and "Unmarked" by Dan Abnett {{harv|Goulding|2013|loc={{interp|track list, track intro}}}}. "Dark Heart" was previously published in text, as an "e‑short" in January 2013 {{harv|Reynolds|2013}}.</ref>
<ref name=nonlinear>{{harvnb|Wolff|2009|loc=p.&nbsp;1. "{{interp|The series does}} not adhere to a rigorously linear storyline between volumes. The vastness of the Warhammer&nbsp;40K&nbsp;{{interp|40,000}} universe&nbsp;...&nbsp;offers more opportunities to non-traditional storytelling. In addition, it is easier to drag out a series when it is not the standard linear storyline."}}</ref>

<ref name=b3-rev>Brief review of the abridged CD-audio edition: {{harvnb|Internet Bookwatch|2012}} (positive).</ref>

<ref name=b4-rev>Review: {{harvnb|Rhoads|2012}} (mostly positive).</ref>

<ref name=b5-sub><!-- Nested footnote -->In some editions, ] is subtitled ''The last Phoenix'', see {{worldcat|name=''Fulgrim: the last phoenix''|oclc=123798776}}. {{Retrieved|access-date=February 7, 2012|append=;}} the subtitle ''Visions of treachery'' is also the title of Book 3 in the ''Horus Heresy'' art book series.</ref>

<ref name=b6-rev>Review: {{harvnb|Wolff|2009}} (neutral).</ref>

<ref name=b9-rev>Review: {{harvnb|Wolff|2011}} (positive).</ref>

<ref name=b9-sub><!-- Nested footnote -->In some editions, ] is subtitled ''Knowledge is power'', see {{worldcat|name=''Mechanicum: <nowiki></nowiki>''|oclc=209718112}}. {{Retrieved|access-date=February 7, 2012}}</ref>

<ref name=bl-b1-3-as>{{harvnb|Black Library Online|"Horus Heresy Audio Boxset"}}</ref>

<ref name=bl-b1-ae>{{harvnb|The Black Library Team|2011}} (publisher webpage).</ref>

<ref name=botf>{{harvnb|Wraight|2011}}.</ref>

<ref name=bs-b1-cd>{{harvnb|Stone 2011b|loc=§&nbsp;"Top&nbsp;20 audiobooks fiction"}}. Two related works from the Horus Heresy ] series ''Garro'' appeared in the same list: the ''Legion of One'' CD (''Garro'' vol.&nbsp;1) was in the top position; the CD for volume&nbsp;2, ''Oath of Moment'' was at number&nbsp;9.</ref>

<ref name=bs-b7b8>{{harvnb|Stone|2008|loc=p.&nbsp;S6. "''The Bookseller'' classifies a small publisher as any&nbsp;...&nbsp;{{interp|with}} revenue&nbsp;...&nbsp;{{interp|in the}} last year of {{nowrap|less than 0.3%}} {{interp|of the Total Consumer Market}}&nbsp;...."}}</ref>

<ref name=bs-b9etc>{{harvnb|Bookseller|2008}}; {{harvnb|Stone|2009|loc="Titles from Games Workshop's Black Library publishing arm always hover around or in The Bookseller's weekly small publishers charts, and three titles make the&nbsp;2009 Top&nbsp;20."}} {{interp|The titles referred to were all series Books}}</ref>

<ref name=crit-balance>Critics' praise: {{harvnb|Flory|2011|loc=¶&nbsp;2. "There have been a few little blips along the way&nbsp;...&nbsp;but on the whole, the 'Horus Heresy' series has consistently demonstrated why it's the flagship series for the Black Library"}}{{spnd}} and critics' complaint: {{harvnb|Dean|2011|loc=¶&nbsp;1. "Here we go again,&nbsp;...&nbsp;the {{interp|Horus Heresy}} plot has been drawn out like over-stretched chewing gum"}}; {{harvnb|Sobel|2010|loc=¶&nbsp;5. "Certain reviewers have criticised the glut of personalities&nbsp;...&nbsp;and in some cases my experience has resonated with this critique"}}; {{harvnb|Wolff|2011|loc=¶&nbsp;2. "{{interp|T}}he Horus Heresy has had its ups&nbsp;...&nbsp;and downs...."}}; {{harvnb|Flory|2012|loc=¶&nbsp;7. "{{interp|The series}}&nbsp;...&nbsp;has already been proven to jump backwards and forwards along its own timeline and certain events&nbsp;...&nbsp;have already been alluded to."}}</ref>

<ref name=crit-cmnt>Postulated creative constraints: {{harvtxt|Rhoads|2010|loc=¶&nbsp;1}}; {{harvtxt|Dean|2011|loc=¶&nbsp;4}}; fans vs. casual readers: {{harvtxt|Fortune|2012|loc=¶&nbsp;4}}; {{harvtxt|Rudden|2012|loc=final paragraph}}.</ref>

<ref name=development>{{harvnb|Rundle|2010|loc=}}. {{Retrieved|access-date=January 2, 2013}} From an interview with series author Dan Abnett; {{harvnb|Farley|2010}}. Interview with Neil Roberts, the series{{'}} main artist; {{harvnb|Rhoads|2010|loc=¶&nbsp;1}}. From a reviewer's essay; for a creator's perspective on working within the overall Warhammer environment see {{harvtxt|Baxter|2003}}.</ref>

<ref name=exclusive>{{As of|2013|04}}{{Update after|2013|12|31|reason=still exclusive?}}, all digital media editions, the books' art, and the majority of special editions and bundles were offered exclusively through the publisher's online or physical outlets {{harv|Black Library Online|FAQ}}; this included the "Horus Heresy Collections" {{harv|Black Library Online|"Horus Heresy Collections"}}, and the titles' "Premium Hardback Edition" ({{harvnb|The Black Library Team 2012b}}; "premium" editions are offered at a substantially higher price compared to regular versions, see {{harvnb|Black Library Online|"Horus Heresy"}} for price information); {{harvnb|Todd|2013|loc=¶&nbsp;2. "{{interp|T}}he traditional publishing model of 'hardback followed by paperback edition much later&nbsp;....{{'"}}}}</ref>

<ref name=hh-mwg>{{harvnb|Bickham|2012}} (from a Games Workshop monthly publication).</ref>

<ref name=hh-pe>Book&nbsp;23 "premium" editions: {{harvs|nb|last=McNeill|year1=2012 |loc1=(hardcover)|year2=2012 |loc2=(e‑book)}}. Book&nbsp;1 republished in same: {{harvs|nb|last=Abnett 2012b-1}}</ref>

<ref name=loc-bsl>{{harvs|nb|author=Locus Online|year1=2006|year2=2013}}. {{interp|For listings of other series titles, search ''Locus Online''{{'}}s category archives. {{trim|{{Retrieved|access-date=April 26, 2013}}}}}}.</ref>

<ref name=lst-note1>{{As of|2013|04|alt=As of ] (originally published December 2012)}}; for more information, see cited works under §&nbsp;].</ref>

<ref name=mwg-b1>{{harvnb|Bligh|2012}}.</ref>


<ref name=nyt-bsl>At the New York Times Bestseller List {{harv|New York Times|"Best Sellers"}}: <ref name=nyt-bsl>At the New York Times Bestseller List {{harv|New York Times|"Best Sellers"}}:
{| style="text-align:left;padding:0.1em 1em;"
{| cellspacing="0" cellpadding="3" style="border: 1px solid darkgray"
|- valign="top" |- valign="top"
|'''{{*}}'''||{{nowrap|''A Thousand Sons''}}||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2010-03-14/mass-market-paperback/list.html|2=14 March 2010}} |'''{{*}}'''||{{nowrap|'' A Thousand Sons''}}||align="right"|
|- valign="top" |- valign="top"
|'''{{*}}'''||''Nemesis''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2010-08-15/mass-market-paperback/list.html|2=15 August 2010}} |'''{{*}}'''||''Nemesis''||align="right"|
|- valign="top" |- valign="top"
|rowspan="2"|'''{{*}}'''||rowspan="2"|''The First Heretic''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2010-11-14/mass-market-paperback/list.html|2=14 November 2010}} |rowspan="2"|'''{{*}}'''||rowspan="2"|''The First Heretic''||align="right"|
|- valign="top" |- valign="top"
|align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2010-11-21/mass-market-paperback/list.html|2=21 November 2010}} |align="right"|
|- valign="top" |- valign="top"
|'''{{*}}'''||''Prospero Burns''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2011-01-16/mass-market-paperback/list.html|2=16 January 2011}} |'''{{*}}'''||''Prospero Burns''||align="right"|
|- valign="top" |- valign="top"
|'''{{*}}'''||''Age of Darkness''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2011-05-15/mass-market-paperback/list.html|2=15 May 2011}} |'''{{*}}'''||''Age of Darkness''||align="right"|
|- valign="top" |- valign="top"
|'''{{*}}'''||''Know No Fear''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2012-03-18/mass-market-paperback/list.html|2=18 March 2012}} |'''{{*}}'''||''Know No Fear''||align="right"|
|- valign="top" |- valign="top"
|'''{{*}}'''||''The Primarchs''||align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2012-06-17/mass-market-paperback/list.html|2=17 June 2012}} |'''{{*}}'''||''The Primarchs''||align="right"|
|- valign="top" |- valign="top"
|rowspan="2"|'''{{*}}'''||rowspan="2"|''Fear to Tread''||align="right"|{{nowrap|{{URL|1=http://www.nytimes.com/best-sellers-books/2012-09-16/mass-market-paperback/list.html|2=16 September 2012}}}} |rowspan="2"|'''{{*}}'''||rowspan="2"|''Fear to Tread''||align="right"|{{nowrap|}}
|- valign="top" |- valign="top"
|align="right"|{{URL|1=http://www.nytimes.com/best-sellers-books/2012-09-23/mass-market-paperback/list.html|2=23 September 2012}} |align="right"|
|} |}
{{Retrieved|accessdate=2012-11-27|append=&#32;(all web links).}} {{Retrieved|access-date=November 27, 2012|append= (all web links).}}</ref>
</ref>


<ref name=other-pub>Prepublication examples: {{harvnb|French|2011}}. Short story from the '']'' compilation which was simultaneously published (in text and audio) in Black Library's ''Hammer and Bolter'' e‑magazine; {{harvnb|Thorpe 2012b}}. A novella republished in '']'' compilation. It was serialized in ''Hammer and Bolter'' from February to April 2012; {{harvnb|French|2012}}. Novella from the '']'' compilation prepublished as an e‑book in July 2012; {{harvnb|The Black Library Team|2010}}. Information about a Games Workshop event, with prerelease versions of series titles on offer</ref>
<ref name=order-chaos>{{harvnb|Porush|1991}}; {{harvnb|Stableford|2006|loc={{URL|1=http://books.google.com/books?id=uefwmdROKTAC&lpg=PP1&pg=PA80|2=p.&nbsp;80}}, col.&nbsp;1}}. {{Retrieved|accessdate=2012-12-09|append=.&nbsp;{{interp|Online access subject to ]-imposed limits}}.}} "Order and Chaos are frequently substituted for Good and Evil in the conceptual frameworks of twentieth&#8209;century commodified fantasy,&nbsp;..."; however see {{harvtxt|Baxter|2003}}, "The nature of 'Chaos' confused us all, I think.&nbsp;...&nbsp;{{'"}}Chaos" and "evil" are not synonymous'&nbsp;.... {{interp|T}}he GW {{interp|Games Workshop}} designers had an ambition to do the Chaos concept justice&nbsp;..." (the author was briefly associated with Games Workshop, pre-series); also see ].</ref>


<ref name=pre-seq>{{cite book|last=McNeill|first=Graham|year=2011a|title=Rules of Engagement|pages=9–63|author-link=Graham McNeill|postscript=none}} (although published before Book&nbsp;19, '']'', it mainly deals with that novel's aftermath); {{cite book|last=Wraight|first=Chris|year=2011a|title=Rebirth|pages=203–246|postscript=none}} (sequel to '']''); {{cite book|last=Thorpe|first=Gav|year=2011|title=The Face of Treachery|pages=247–276|postscript=none}} (prequel to '']'').</ref>
<ref name=other-pub>Prepublication examples: {{harvnb|French|2011}}. Short story from the ] compilation which was simultaneously published (in text and audio) in Black Library's ''Hammer and Bolter'' e&#8209;magazine; {{harvnb|Thorpe|2012b}}. A novella republished in ] compilation. It was serialized in ''Hammer and Bolter'' from February to April&nbsp;2012; {{harvnb|French|2012}}. Novella from the ] compilation prepublished as an e&#8209;book in July&nbsp;2012; {{harvnb|The Black Library Team|2010}}. Information about a Games Workshop event, with prerelease versions of series titles on offer; see also §&nbsp;{{See section|Horus Heresy|Events}}.</ref>


<ref name=popularity>{{harvnb|Reid|2004|loc="Warhammer and Warhammer&nbsp;{{sic|nolink=y|4000|correct=40,000}} are internationally popular properties of Games Workshop&nbsp;..."}}; {{harvnb|Ahmed|2012}}.</ref> <ref name=pw-b20>{{harvnb|Publishers Weekly|2012|loc=§&nbsp;"Top&nbsp;10 Science Fiction", p.&nbsp;18}}</ref>

<ref name=position>The Black Library had briefly expanded into Horus Heresy merchandising, a project that was abandoned in favor of the ] {{harv|Black Library Online|"Frequently Asked Questions"|loc=at the publisher's website}}; the ''Horus Heresy'' tabletop miniatures wargame, introduced&nbsp;2012, builds on the success of the series (see §&nbsp;]); however {{As of|2013|04|lc=y}}&nbsp;{{URL|1=http://www.thehorusheresy.com|2=www.thehorusheresy.com}}, a website published by Games Workshop that concentrates on the series, had last been updated January&nbsp;2011 and covered the series only up to Book&nbsp;15, ]; {{harvnb|Royle et al.|1999|loc=§&nbsp;"Design as a Key Factor in Branding" pp.&nbsp;6–9}}.</ref>

<ref name=pre-seq>{{cite book|ref=harv|last=McNeill|first=Graham|year=2011a|contribution=Rules of Engagement|editor={{harvnb|Dunn|2011-3}}|pages=9–63|authorlink=Graham McNeill|postscript=none}} (although published before Book&nbsp;19, ], it mainly deals with that novel's aftermath); {{cite book|ref=harv|last=Wraight|first=Chris|year=2011a|contribution=Rebirth|editor={{harvnb|Dunn|2011-3}}|pages=203–246|postscript=none}} (sequel to ]); {{cite book|ref=harv|last=Thorpe|first=Gav|year=2011|contribution=The Face of Treachery|editor={{harvnb|Dunn|2011-3}}|pages=247–276|postscript=none}} (prequel to ]).</ref>

<ref name=premise>{{harvnb|Merrett|2007|pp=9, 27, 34, 54, 109, 324}}; {{harvnb|McNeill|2006|p=246}}; {{harvnb|Abnett|2012a-3|loc=preamble}}.</ref>

<ref name=pw-b20>{{harvnb|Publishers Weekly|2012|loc=§&nbsp;"Top&nbsp;10 Science Fiction", p.&nbsp;18}}.</ref>

<ref name=realism>{{harvnb|Gronli|2008b|loc=¶&nbsp;4. "{{interp|T}}he books came across as more hard hitting than some of the video games that have been released&nbsp;.... The action was a lot more hectic. The characters were more realistic. There also happened to be a lot more honesty in the books&nbsp;..."}}; {{harvnb|Rhoads|2011b|loc=¶&nbsp;9. "The thematic tone is pitch perfect."}}; the Horus Heresy became fully established as a concept upon its inclusion as ] of wargames whose ] is a matter of player choice {{harv|Johnson|1988|loc=§§&nbsp;"The Horus Heresy" p.&nbsp;9, "Standard Game Scenarios" pp.&nbsp;29–30}}. See also §&nbsp;"Description" in {{bgg title|4091|Adeptus Titanicus}}. {{Retrieved|accessdate=2012-12-01}}</ref>

<ref name=ref-cmnt>See ] under §&nbsp;].</ref>

<ref name=rls-info>"Paperback" may refer to either ] or ]; "audiobook" may refer to either ] or ] (e&#8209;audiobook) release. Sources: official series website (in §&nbsp;]); Black Library website {{harv|Black Library Online|"Horus Heresy"}}; ].</ref>

<ref name=reviews>Select reviews: {{harvnb|Blogcritics|"Horus Heresy Articles"}} (multiple books, mixed); {{harvnb|Dean|2012}} (review of ], negative); {{harvnb|Flory|2007}} (series overview as of ], positive); {{harvnb|Gronli|2008b}} (overview as of ], mixed); series review essays can be found at {{harvs|txt|last=Rhoads|year1=2010|year2=2011a}}; reviewers have specifically commented on the books' cover art ({{harvnb|Gronli|2008a|loc=¶&nbsp;4}}; {{harvnb|Rhoads|2011b|loc=¶&nbsp;1. "{{interp|L}}avish cover art&nbsp;..."}}); reviews have included media- or format-specific commentary ({{harvnb|Fortune|n.d.|loc=¶&nbsp;3}}; {{harvnb|Scholes|2013|loc=¶&nbsp;4}}); additional reviews footnoted at individual book summaries (see "Book {{interp|...}}" sub-sections under §&nbsp;]). Except where stated otherwise, cited reviews reference general-availability paperback editions.</ref>

<ref name=sales-direct>] by the publisher or affiliates may not be reflected in rankings reported by the cited sources, or in sales data supplied by information providers.</ref>


<ref name=sales-perform>{{harvnb|Stone|2011a|loc="Special {{interp|mention}} also go{{interp|es}} to&nbsp;...&nbsp;Black Library (thanks to the popularity of its Horus Heresy series) for growing {{interp|its}} sales in a tough market."}}; {{harvnb|Kirby et al.|2012|p=3}}.</ref> <ref name=sales-perform>{{harvnb|Stone|2011a|loc="Special {{interp|mention}} also go{{interp|es}} to&nbsp;...&nbsp;Black Library (thanks to the popularity of its Horus Heresy series) for growing {{interp|its}} sales in a tough market."}}; {{harvnb|Kirby et al.|2012|p=3}}.</ref>

<ref name=subplot>{{harvs|txt=yes|last=Wolff|year1=2009|year2=2011|loc1=p.&nbsp;1|loc2=¶&nbsp;4}}.</ref>

<ref name=timeline>See ] under §&nbsp;{{See section|Horus Heresy|Notes}}; {{harvnb|Horus Heresy Online|"The Story"|loc=¶&nbsp;1}}; {{cite book|ref=harv|last=McNeill|first=Graham|year=2009|editor={{harvnb|Kyme|Priestley|2009}}|contribution=The Last Church|pages=323–373|authorlink=Graham McNeill}} Short story that takes place centuries before the Heresy begins; {{harvnb|Goulding|2013|loc={{interp|Track:}}&nbsp;10, around&nbsp;1:21:08}}. The start of the Battle of Calth (Book ]) is indirectly stated as occuring in the 7th&nbsp;year of the 31st&nbsp;millenium.</ref>


<ref name=times-b15>{{harvnb|Eureka|2011|loc="{{interp|Ranking by}} {{interp|s}}ales, January 2011 Source: Nielsen.com"}}.</ref> <ref name=times-b15>{{harvnb|Eureka|2011|loc="{{interp|Ranking by}} {{interp|s}}ales, January 2011 Source: Nielsen.com"}}.</ref>

<ref name=universe>{{harvnb|NT (Neil Tringham)|2012|loc=§&nbsp;"Frame". "{{interp|N}}arrative frames can be strikingly detailed and evocative, as in the extensive universe constructed to support Warhammer&nbsp;40,000&nbsp;..."}}</ref>
}} }}


== References ==
==References<!-- Section linked from within this article ] -->==
<blockquote><poem>References may include multiple versions of cited works, published in alternate formats or media: these versions appear consecutively, are separated by a double semicolon {{strong|(;;)}}, and are listed by full date of release in ascending order (displayed date may be truncated); where applicable they are sub-listed by media type, in alphabetical order. In such references, information common to listed versions may appear in a single instance only.
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
<div style="border:1px solid black;padding:0.5em;font-size:87%" id="ref-cmnt">References may include multiple versions of cited works, published in alternate formats or media: these versions appear consecutively, are separated by a double semicolon {{strong|(;;)}}, and are listed by full date of release in ascending order (displayed date may be truncated); where applicable they are sub-listed by media type, in alphabetical order. In such references, information common to listed versions may appear in a single instance only.{{crlf}}Where "originally published" appears in entries for standalone or self-contained works (including compilations), it refers to the work's first release in the indicated media type.{{crlf}}Audio sources are listed by author(s).</div> Where "originally published" appears in entries for standalone or self-contained works (including compilations), it refers to the work's first release in the indicated media type.
Audio sources are listed by author(s).</poem></blockquote>
{{crlf2}}

{{refbegin|2}} {{refbegin|2}}
* {{cite web|ref={{harvid|Horus Heresy Online|"The Story"}}|author=<!-- Staff writer(s); no by-line. -->|title=A Tale of Heresy|url=http://www.thehorusheresy.com/the-heresy/|website=thehorusheresy.com|publisher=]|location=Nottingham, UK|archiveurl=http://www.webcitation.org/6C1Qi40oL|archivedate=2012-11-08|deadurl=no|accessdate=2012-03-21}} * {{cite web|ref={{harvid|Horus Heresy Online|"The Story"}}|author=<!--Staff writer(s); no by-line.-->|title=A Tale of Heresy|url=http://www.thehorusheresy.com/the-heresy/|work=thehorusheresy.com|publisher=]|location=Nottingham, UK|archive-url=https://web.archive.org/web/20120826183030/http://www.thehorusheresy.com/the-heresy/|archive-date=August 26, 2012|url-status=dead|access-date=March 21, 2012}}
* {{cite news|ref={{harvid|EIW|2010}}|author=<!-- Staff writer(s); no by-line. -->|date=6 February 2010|article=A Thousand Sons by Graham McNeill|format=] item|publisher=]|location=]|agency=Europe Intelligence Wire|oclc=321332763}} * {{cite news|ref={{harvid|EIW|2010}}|author=<!--Staff writer(s); no by-line.-->|date=February 6, 2010|title=A Thousand Sons by Graham McNeill|publisher=] Group|location=]|agency=Europe Intelligence Wire|oclc=321332763}}
* {{cite book|ref=harv|last=Abnett|first=Dan|year=2006|booktitle=Horus rising: the seeds of heresy are sown|type=print|format=] paperback|others=] & ] by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-294-9|authorlink=Dan Abnett|postscript=none}}] {{cite ebook|ref={{harvid|Abnett|2010a}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010a|type=]|format=]; ]|isbn=978-0-85787-021-6|postscript=none}}] {{cite book|ref={{harvid|Abnett|2011a}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011a|type=]|format=CD|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=]|isbn=978-1-84970-015-3}} * {{cite book|last=Abnett|first=Dan|year=2006|title=Horus rising: the seeds of heresy are sown|type=print|others=] & ] by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-294-9|author-link=Dan Abnett|postscript=none|url=https://archive.org/details/horusrisingtheho00dana}};; {{cite book|last=Abnett|first=Dan|display-authors=0|title=Horus rising: the seeds of heresy are sown|year=2010a|publisher=Black Library |type=]|isbn=978-0-85787-021-6|postscript=none}};; {{cite book|last=Abnett|first=Dan|display-authors=0|title=Horus rising: the seeds of heresy are sown|year=2011a|type=]|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=]|isbn=978-1-84970-015-3}}
* {{cite book|ref=harv|last=Abnett|first=Dan|year=2008|booktitle=Legion: secrets and lies|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=7|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-536-0|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Abnett|2010b}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010b|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-032-2}} * {{cite book|last=Abnett|first=Dan|year=2008|title=Legion: secrets and lies|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=7|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-536-0|author-mask=2|postscript=none}};; {{cite book|last=Abnett|first=Dan|display-authors=0|title=Legion: secrets and lies |year=2010b|publisher=Black Library |type=e‑book|isbn=978-0-85787-032-2}}
* {{cite book|ref={{harvid|Abnett|2010c-1}}|last=Abnett|first=Dan|year=2010c-1|booktitle=Prospero burns: the wolves unleashed|type=e&#8209;audiobook|format=]|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=15|publisher=Black Library|location=Nottingham, UK|edition=]|isbn=978-0-85787-122-0|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Abnett|2010c-2}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010c-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-125-1|postscript=none}}] {{cite book|ref={{harvid|Abnett|2011b}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011b|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84416-776-0}} * {{cite book|ref={{harvid|Abnett 2010c-1}}|last=Abnett|first=Dan|year=2010 |title=Prospero burns: the wolves unleashed|type=e‑audiobook|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=15|publisher=Black Library|location=Nottingham, UK|edition=]|isbn=978-0-85787-122-0|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Abnett 2010c-2}}|last=Abnett|first=Dan|display-authors=0|title=Prospero burns: the wolves unleashed |year=2010 |type=e‑book|isbn=978-0-85787-125-1|postscript=none}};; {{cite book|last=Abnett|first=Dan|display-authors=0|title=Prospero burns: the wolves unleashed |year=2011b|type=print|others=Cover art & illustration by Neil Roberts|publisher=Black Library |edition=1st UK|isbn=978-1-84416-776-0}}
* {{cite book|ref={{harvid|Abnett|&#91;2006&#93; 2011c}}|last=Abnett|first=Dan|year=2011c|origyear=<nowiki />] published 2006|booktitle=Horus rising: the seeds of heresy are sown|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition="5th anniversary"|isbn=978-1-84970-111-2|author-mask=2}} * {{cite book|ref={{harvid|Abnett 2011c}}|last=Abnett|first=Dan|year=2011c|orig-year=<nowiki />] published 2006|title=Horus rising: the seeds of heresy are sown |type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition=5th anniversary |isbn=978-1-84970-111-2|author-mask=2}}
* {{cite book|ref={{harvid|Abnett|2012a-1}}|last=Abnett|first=Dan|year=2012a-1|booktitle=Know no fear: the battle of Calth|type=e&#8209;audiobook|format=MP3|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=19|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-613-3|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Abnett|2012a-2}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-512-9|postscript=none}}] {{cite book|ref={{harvid|Abnett|2012a-3}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-134-1}} * {{cite book|ref={{harvid|Abnett 2012a-1}}|last=Abnett|first=Dan|year=2012 |title=Know no fear: the battle of Calth|type=e‑audiobook|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=19|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-613-3|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Abnett 2012a-2}}|last=Abnett|first=Dan|display-authors=0|title=Know no fear: the battle of Calth|year=2012 |publisher=Black Library |type=e‑book|isbn=978-0-85787-512-9|postscript=none}};; {{cite book|ref={{harvid|Abnett 2012a-3}}|last=Abnett|first=Dan|display-authors=0|title=Know no fear: the battle of Calth|year=2012 |type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84970-134-1}}
* {{cite book|ref={{harvid|Abnett|&#91;2006&#93; 2012b-1}}|last=Abnett|first=Dan|year=2012b-1|origyear=<nowiki />] published 2006|booktitle=Horus rising: the seeds of heresy are sown|type=print|format=]|others=Cover art & illustration by Neil Roberts; illustrations by Karl Richardson|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition=]|isbn=978-1-84970-382-6|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Abnett|&#91;2010&#93; 2012b-2}}|last=Abnett|first=Dan|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012b-2|origyear=<nowiki />] published 2010|type=e&#8209;book|format=EPUB; mobi|edition=]|isbn=978-0-85787-915-8}} * {{cite book|ref={{harvid|Abnett 2012b-1}}|last=Abnett|first=Dan|year=2012 |orig-year=2006|title=Horus rising: the seeds of heresy are sown|type=print|others=Cover art & illustration by Neil Roberts; illustrations by Karl Richardson|series=Horus Heresy {{interp|book series}}|volume=1|publisher=Black Library|location=Nottingham, UK|edition=]|isbn=978-1-84970-382-6|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Abnett 2012b-2}}|last=Abnett|first=Dan|display-authors=0|title=Horus rising: the seeds of heresy are sown|year=2012 |orig-year=2010 |type=e‑book|edition=]|isbn=978-0-85787-915-8}}
* {{cite book|ref={{harvid|Abnett et al.|2011}}|last1=Abnett|first1=Dan|last2=Counter|first2=Ben|last3=McNeill|first3=Graham|year=2011|booktitle=The Horus Heresy audio boxset|type=audiobook|format=CD|others=Read by Martyn Ellis; abridged by Christian Dunn; includes additional (unabridged) "audio short" extra written by Abnett|series=Horus Heresy {{interp|book series}}|volume=1–3|publisher=Black Library|location=Nottingham, UK|edition=abridged ] ]|isbn=978-1-84970-218-8|authorlink1=Dan Abnett|authorlink3=Graham McNeill}} * {{cite book|ref={{harvid|Abnett et al.|2011}}|last1=Abnett|first1=Dan|last2=Counter|first2=Ben|last3=McNeill|first3=Graham|year=2011|title=The Horus Heresy audio boxset|type=audiobook|others=Read by Martyn Ellis; abridged by Christian Dunn; includes additional (unabridged) "audio short" extra written by Abnett|series=Horus Heresy {{interp|book series}}|volume=1–3|publisher=Black Library|location=Nottingham, UK|edition=abridged ] ]|isbn=978-1-84970-218-8|author-link1=Dan Abnett|author-link3=Graham McNeill}}
* {{cite news|ref=harv|last=Ahmed|first=Samira|date=12 March 2012|article=Why are adults still launching tabletop war?|url=http://www.bbc.co.uk/news/magazine-17274186|department=Magazine|work=]|type=]|publisher=]|edition=world|oclc=50165437|archiveurl=http://www.webcitation.org/6C1R2BVc2|archivedate=2012-11-08|deadurl=no|accessdate=2012-11-06|authorlink=Samira Ahmed}} * {{cite news|last=Ahmed|first=Samira|date=March 12, 2012|title=Why are adults still launching tabletop war?|url=https://www.bbc.co.uk/news/magazine-17274186|department=Magazine|work=]|type=] resource|publisher=]|edition=world|oclc=50165437|archive-url=https://archive.today/20120721091330/http://www.bbc.co.uk/news/magazine-17274186|archive-date=July 21, 2012|url-status=live|access-date=November 6, 2012|author-link=Samira Ahmed}}
* {{cite book|ref=harv|last1=Ansell|first1=Bryan|last2=Priestley|first2=Rick|year=1990|booktitle=]|type=print|format=hardcover|others=Cover art by ]; illustrations by Games Workshop staff artists & designers; storytext by Games Workshop ]s|volume=The lost and the damned|publisher=Games Workshop|location=Nottingham, UK|edition=1st|isbn=978-1-86989-352-1|authorlink1=Bryan Ansell|authorlink2=Rick Priestley|lastauthoramp=y}} * {{cite book|last1=Ansell|first1=Bryan|last2=Priestley|first2=Rick|year=1990|title=Realm of chaos|type=print|others=Cover art by ]; illustrations by Games Workshop staff artists & designers; storytext by Games Workshop ]s|volume=The lost and the damned|publisher=Games Workshop|location=Nottingham, UK|edition=1st|isbn=978-1-869893-52-1|author-link1=Bryan Ansell|author-link2=Rick Priestley|name-list-style=amp|title-link=Realm of Chaos (Warhammer)}}
* {{cite web|ref={{harvid|Antigonos et al.|2011}}|author=Antigonos {{interp|]}} et al.|date=18 October 2011|title=Temporal inconsistencies in Outcast Dead (?)- Dropsite Massacre and Prospero's Razing|url=http://www.warseer.com/forums/showthread.php?321105-Temporal-inconsistencies-in-Outcast-Dead-(-)-Dropsite-Massacre-and-Prospero-s-Razing|website=warseer.com|type=] site|publisher=Nicholas Lown|location=]|at="Forum: Warhammer 40,000 Background"|id={{interp|] id}} 321105|archiveurl=http://www.webcitation.org/66JFfl90g|archivedate=2012-03-20|deadurl=no|accessdate=2012-03-20|postscript=.&#32;{{interp|Partial archive}}.}} * {{cite web|ref={{harvid|Antigonos et al.|2011}}|author=Antigonos {{interp|]}}|display-authors=etal|date=October 18, 2011|title=Temporal inconsistencies in Outcast Dead (?)- Dropsite Massacre and Prospero's Razing|url=http://www.warseer.com/forums/showthread.php?321105-Temporal-inconsistencies-in-Outcast-Dead-(-)-Dropsite-Massacre-and-Prospero-s-Razing|work=warseer.com|type=] site|publisher=Nicholas Lown|location=]|at=Forum: Warhammer 40,000 Background|id={{interp|] id}} 321105|archive-url=https://www.webcitation.org/66JFfl90g?url=http://www.warseer.com/forums/showthread.php?321105-Temporal-inconsistencies-in-Outcast-Dead-(-)-Dropsite-Massacre-and-Prospero-s-Razing|archive-date=March 20, 2012|url-status=live|access-date=March 20, 2012|postscript=. {{interp|Partial archive}}.}}
* {{cite web|ref={{harvid|Black Library Online|"Authors"}}|author=<!-- Staff writer(s); no by-line. -->|title=Authors|url=http://www.blacklibrary.com/Authors|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archiveurl=http://web.archive.org/web/20101228115730/http://www.blacklibrary.com/Authors|archivedate=2010-12-28|deadurl=no|accessdate=2012-03-10}} * {{cite web|ref={{harvid|Black Library Online|"Authors"}}|author=<!--Staff writer(s); no by-line.-->|title=Authors|url=http://www.blacklibrary.com/Authors|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archive-url=https://web.archive.org/web/20101228115730/http://www.blacklibrary.com/Authors|archive-date=December 28, 2010|url-status=dead|access-date=March 10, 2012}}
* {{cite journal|ref=harv|last=Baxter|first=Stephen|month=May–June|year=2003|origyear=originally in print edition, issue 229; unspecified online pub. date|article=Freedom in An Owned World: Warhammer Fiction and the Interzone Generation|url=http://www.vectormagazine.co.uk/article.asp?articleID=42|journal=]|publisher=]|edition=]|id={{interp|''Vector'' online article id}} 42|issn=0505-0448|archiveurl=http://www.webcitation.org/6C34T196w|archivedate=2012-11-09|deadurl=no|accessdate=2012-10-06|authorlink=Stephen Baxter}} * {{cite journal|last=Baxter|first=Stephen|date=May–June 2003|orig-year=|edition=]|issue=229|title=Freedom in An Owned World: Warhammer Fiction and the Interzone Generation|url=http://www.vectormagazine.co.uk/article.asp?articleID=42|journal=]|publisher=]|id={{interp|''Vector'' online article id}} 42|issn=0505-0448|archive-url=https://web.archive.org/web/20120216083901/http://www.vectormagazine.co.uk/article.asp?articleID=42|archive-date=February 16, 2012|url-status=dead|access-date=October 6, 2012|author-link=Stephen Baxter (author)}}
* {{cite news|ref={{harvid|New York Times|"Best Sellers"}}|author=<!-- Staff writer(s); no by-line. -->|date=Sunday {{interp|weekly feature}}|article=Best Sellers {{interp|mass-market paperback}}|url=http://www.nytimes.com/best-sellers-books/mass-market-paperback/list.html|department=Books|newspaper=]|publisher=]|edition=]|issn=0362-4331|accessdate=2011-05-22}} * {{cite news|ref={{harvid|New York Times|"Best Sellers"}}|author=<!--Staff writer(s); no by-line.-->|issue={{interp|weekly feature}}|title=Best Sellers {{interp|mass-market paperback}}|url=https://www.nytimes.com/best-sellers-books/mass-market-paperback/list.html|department=Books|newspaper=]|publisher=]|edition=]|issn=0362-4331|access-date=May 22, 2011|archive-date=May 20, 2011|archive-url=https://web.archive.org/web/20110520033136/http://www.nytimes.com/best-sellers-books/mass-market-paperback/list.html|url-status=live}}
* {{cite journal|ref={{harvid|Publishers Weekly|2012}}|author=<!-- Staff writer(s); no by-line. -->|date=11 June 2012|article=Bestsellers May 28–June 3, 2012|journal=]|volume=259|issue=24|pages=14–18|publisher=PWxyz|location=New York|issn=0000-0019|quote={{interp|I}}nformation supplied by Nielsen Bookscan.|postscript=none}} * {{cite journal|ref={{harvid|Publishers Weekly|2012}}|author=<!--Staff writer(s); no by-line.-->|date=June 11, 2012|title=Bestsellers May 28 – June 3, 2012|journal=]|volume=259|issue=24|pages=14–18|publisher=PWxyz|location=New York|issn=0000-0019|quote={{interp|I}}nformation supplied by Nielsen Bookscan.|postscript=none}}
* {{cite magazine|ref=harv|author=<!-- Staff writer(s); no by-line. -->|editor-last=Bickham|editor-first=Jes|article=The Horus Heresy|department={{interp|Feature article}}|year=2012|month=October|magazine=]|issue=394|publisher=Games Workshop|location=Nottingham, UK|edition=UK print|at=82–89, insert|issn=0265-8712}} * {{cite journal|author=<!--Staff writer(s); no by-line.-->|editor-last=Bickham|editor-first=Jes|title=The Horus Heresy|department={{interp|Feature article}}| date=October 2012 |journal=]|issue=394|publisher=Games Workshop|location=Nottingham, UK|edition=UK print|at=82–89, insert|issn=0265-8712}}
* {{cite book|ref=harv|last=Bligh|first=Alan|year=2012|booktitle=Betrayal|type=print|format=]|others=Cover art, illustrations, & reproductions by Forge World staff artists & designers|series=Horus Heresy {{interp|rulebooks}}|volume=1|publisher=]|location=Nottingham, UK|edition=1st UK|isbn=978-1-90796-496-1}} * {{cite book|last=Bligh|first=Alan|year=2012|title=Betrayal|type=print|others=Cover art, illustrations, & reproductions by Forge World staff artists & designers|series=Horus Heresy {{interp|rulebooks}}|volume=1|publisher=]|location=Nottingham, UK|edition=1st UK|isbn=978-1-907964-96-1}}
* {{cite news|ref=harv|last=Bosier|first=Jen|date=28 June 2010|article=Horus Heresy 101|url=http://www.webcitation.org/6C34eGAIK<!-- source url: , domain "examiner.com" in ] as of accessdate. -->|department=Arts & Entertainment|work=]|type=online news resource|publisher=Clarity Media Group|location=]|edition=national|oclc=649509343|archiveurl=http://www.webcitation.org/6C34eGAIK|archivedate=2012-11-09|deadurl=yes|accessdate=2012-04-28}} * {{cite news|last=Bosier|first=Jen|date=April 22, 2013|title=Iron Within: Angel Exterminatus Review|url=https://www.forbes.com/sites/jenniferbosier/2013/04/22/iron-within-angel-exterminatus-review/|department=Technology|work=]|type=online news resource|location=New York|issn=0015-6914|archive-url=https://web.archive.org/web/20130425012938/http://www.forbes.com/sites/jenniferbosier/2013/04/22/iron-within-angel-exterminatus-review/|archive-date=April 25, 2013|url-status=live|access-date=May 1, 2013}}
* {{cite news|ref=harv|last=Bosier|first=Jen|date=22 April 2013|article=Iron Within: Angel Exterminatus Review|url=http://www.forbes.com/sites/jenniferbosier/2013/04/22/iron-within-angel-exterminatus-review/|department=Technology|work=]|type=online news resource|publisher=Forbes|location=New York|issn=0015-6914|archiveurl=http://www.webcitation.org/6GI7Kf4I0|archivedate=2013-05-01|deadurl=no|accessdate=2013-05-01|authormask=2}} * {{cite web|ref={{harvid|Brent (Brent Aleman)|2013}}|author=Brent {{interp|Brent Aleman}}|date=January 15, 2013|title=Brent's Chump Fight: 30K vs 40K|url=http://www.belloflostsouls.net/2013/01/brents-chump-fight-30k-vs-40k.html|work=Bell of Lost Souls|others=Comments by readers|publisher=BoLS Interactive|location=]|at=§&nbsp;"Editorials"|archive-url=https://www.webcitation.org/6Diy9xSZw?url=http://www.belloflostsouls.net/2013/01/brents-chump-fight-30k-vs-40k.html|archive-date=January 16, 2013|url-status=live|access-date=January 15, 2013}}
* {{cite web|ref={{harvid|Black Library Online|"Coming Soon"}}|author=<!--Staff writer(s); no by-line.-->|title=Coming Soon|url=http://www.blacklibrary.com/all-products/coming-soon|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|access-date=April 15, 2013|archive-date=April 15, 2013|archive-url=https://web.archive.org/web/20130415072625/http://www.blacklibrary.com/all-products/coming-soon/|url-status=live}}
* {{cite web|ref={{harvid|Brent (Brent Aleman)|2013}}|author=Brent {{interp|Brent Aleman}}|date=15 January 2013|title=Brent's Chump Fight: 30K vs 40K|url=http://www.belloflostsouls.net/2013/01/brents-chump-fight-30k-vs-40k.html|website=Bell of Lost Souls|others=Comments by readers|publisher=BoLS Interactive|location=]|at=§&nbsp;"Editorials"|archiveurl=http://www.webcitation.org/6Diy9xSZw|archivedate=2013-01-16|deadurl=no|accessdate=2013-01-15}}
* {{cite book|last=Counter|first=Ben|year=2006|title=Galaxy in flames: the heresy revealed|url=https://archive.org/details/isbn_9781844163939|url-access=registration|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=3|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-393-9|postscript=none}};; {{cite book|last=Counter|first=Ben|display-authors=0|title=Galaxy in flames: the heresy revealed|year=2010a|publisher=Black Library |type=e‑book|isbn=978-0-85787-023-0|postscript=none}};; {{cite book|last=Counter|first=Ben|display-authors=0|title=Galaxy in flames: the heresy revealed|year=2012|type=audiobook|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=abridged|isbn=978-1-84970-094-8}}
* {{cite web|ref={{harvid|Black Library Online|"Coming Soon"}}|author=<!-- Staff writer(s); no by-line. -->|title=Coming Soon|url=http://www.blacklibrary.com/all-products/coming-soon|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|accessdate=2013-04-15}}
* {{cite book|last=Counter|first=Ben|year=2008|title=Battle for the Abyss: my brother, my enemy|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=8|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-657-2|author-mask=2|postscript=none}};; {{cite book|last=Counter|first=Ben|display-authors=0|title=Battle for the Abyss: my brother, my enemy|year=2010b|publisher=Black Library |type=e‑book|isbn=978-0-85787-033-9}}
* {{cite web|ref={{harvid|Connor MacLeod et al.|2012}}|author=Connor MacLeod {{interp|]}} et al.|date=23 May 2012|title=Horus Heresy series analysis thread|url=http://bbs.stardestroyer.net/viewtopic.php?f=4&t=155113|website=StarDestroyer.Net BBS|type=online discussion site|publisher=Michael Wong|location=]|at="Forum: Science Fiction"|id={{interp|] id}} 155113|archiveurl=http://www.webcitation.org/6C1RWxQvC|archivedate=2012-11-08|deadurl=no|accessdate=2012-10-07|postscript=.&#32;{{interp|Partial archive}}.}}
* {{cite web|last=Dean|first=Steve|title=The Outcast Dead by Graham McNeill. Audiobook review|url=http://www.britishfantasysociety.org/reviews/warhammer-40000-the-horus-heresy-the-outcast-dead-by-graham-mcneill-audiobook-review/|work=britishfantasysociety.org|publisher=]|location=UK|date=December 8, 2011|archive-url=https://web.archive.org/web/20120329132036/http://www.britishfantasysociety.co.uk/reviews/warhammer-40000-the-horus-heresy-the-outcast-dead-by-graham-mcneill-audiobook-review/|archive-date=March 29, 2012|url-status=live|access-date=March 8, 2012}}
* {{cite book|ref=harv|last=Counter|first=Ben|year=2006|booktitle=Galaxy in flames: the heresy revealed|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=3|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-393-9|postscript=none}}] {{cite ebook|ref={{harvid|Counter|2010a}}|last=Counter|first=Ben|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010a|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-023-0|postscript=none}}] {{cite book|ref={{harvid|Counter|2012}}|last=Counter|first=Ben|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012|type=audiobook|format=CD|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=abridged|isbn=978-1-84970-094-8}}
* {{cite web|last=Dean|first=Steve|title=Warhammer 40K: The Primarchs: The Horus Heresy. Book review|url=http://www.britishfantasysociety.co.uk/reviews/warhammer-40k-the-primarchs-the-horus-heresy-book-review/|work=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|date=July 2, 2012|archive-url=https://web.archive.org/web/20120926183315/http://www.britishfantasysociety.co.uk/reviews/warhammer-40k-the-primarchs-the-horus-heresy-book-review/|archive-date=September 26, 2012|url-status=live|access-date=July 11, 2012|author-mask=2}}
* {{cite book|ref=harv|last=Counter|first=Ben|year=2008|booktitle=Battle for the Abyss: my brother, my enemy|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=8|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-657-2|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Counter|2010b}}|last=Counter|first=Ben|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010b|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-033-9}}
* {{cite book|ref={{harvid|Dembski-Bowden|2010-1}}|last=Dembski-Bowden|first=Aaron|date=January 2010|title=The first heretic: fall to chaos|type=e‑book|series=Horus Heresy {{interp|book series}} |volume=14 |publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-045-2|postscript=none}};; {{cite book|ref={{harvid|Dembski-Bowden|2010-2}}|last=Dembski-Bowden |first=Aaron|display-authors=0|title=The first heretic: fall to chaos |date=February 2010|type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84416-884-2}}
* {{cite web|ref=harv|last=Dean|first=Steve|booktitle=The Outcast Dead by Graham McNeill. Audiobook review|url=http://www.britishfantasysociety.org/reviews/warhammer-40000-the-horus-heresy-the-outcast-dead-by-graham-mcneill-audiobook-review/|website=britishfantasysociety.org|publisher=]|location=UK|publication-date=8 December 2011|archiveurl=http://www.webcitation.org/66GHTZsoi|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-08}}
* {{cite book|last=Dembski-Bowden|first=Aaron|year=2011|title=Aurelian: the eye stares back|type=print|others=Cover art by Neil Roberts|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|edition=Collectors Editions: Gold|isbn=978-1-84970-106-8|author-mask=2}}
* {{cite web|ref=harv|last=Dean|first=Steve|title=Warhammer 40K: The Primarchs: The Horus Heresy. Book review|url=http://www.britishfantasysociety.co.uk/reviews/warhammer-40k-the-primarchs-the-horus-heresy-book-review/|website=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|publication-date=2 July 2012|archiveurl=http://www.webcitation.org/6C1S6UUR5|archivedate=2012-11-08|deadurl=no|accessdate=2012-07-11|author-mask=2}}
* {{cite ebook|ref={{harvid|Dembski-Bowden|2010-1}}|last=Dembski-Bowden|first=Aaron|year=2010-1|booktitle=The first heretic: fall to chaos|type=e&#8209;book|format=EPUB; mobi|series=Horus Heresy {{interp|book series}}|volume=14|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-045-2|postscript=none}}] {{cite book|ref={{harvid|Dembski-Bowden|2010-2}}|last=Dembski-Bowden|first=Aaron|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010-2|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84416-884-2}} * {{cite book|last=Dembski-Bowden|first=Aaron|year=2012a|title=Void stalker|type=print|others=Cover art by Jon Sullivan|series=Night Lords|volume=3|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84970-148-8|author-mask=2|url-access=registration|url=https://archive.org/details/isbn_9781849701495}}
* {{cite book|ref=harv|last=Dembski-Bowden|first=Aaron|year=2011|booktitle=Aurelian: the eye stares back|type=print|format=hardcover|others=Cover art by Neil Roberts|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|edition="Collectors Editions: Gold"|isbn=978-1-84970-106-8|author-mask=2}} * {{cite book|last=Dembski-Bowden|first=Aaron|year=2012b|title=Betrayer: blood for the blood god|type=e‑audiobook|others=Cover art by Neil Roberts; read by Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=24|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-642-3|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Dembski-Bowden 2013}}|last=Dembski-Bowden|first=Aaaron|display-authors=0|title=Betrayer: blood for the blood god |year=2013|publisher=Black Library |orig-year=2012|type=print|edition=1st UK trade|isbn= 978-1-84970-388-8}}
* {{cite book|ref={{harvid|Dunn|2011-1}}|editor-last=Dunn|editor-first=Christian|date=January 2011|title=Age of darkness|type=e‑audiobook|others=Contains short stories by series authors; read by ], Martyn Ellis & Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=16|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-154-1|postscript=none}};; {{cite book|ref={{harvid|Dunn|2011-2}}|editor-last=Dunn|editor-first=Christian|display-editors=0|title=Age of darkness|date=February 2011|publisher=Black Library |type=e‑book|isbn=978-0-85787-153-4|postscript=none}};; {{cite book|ref={{harvid|Dunn|2011-3}}|editor-last=Dunn|editor-first=Christian|display-editors=0|title=Age of darkness |date=March 2011|type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84970-036-8}}
* {{cite book|ref=harv|last=Dembski-Bowden|first=Aaron|year=2012a|booktitle=Void stalker|type=print|format=] paperback|others=Cover art by Jon Sullivan|series=Night Lords|volume=3|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84970-148-8|author-mask=2}}
* {{cite book|ref=harv|last=Dembski-Bowden|first=Aaron|year=2012b|booktitle=Betrayer: blood for the blood god|type=e&#8209;audiobook|format=MP3|others=Cover art by Neil Roberts; read by Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=24|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-642-3|author-mask=2|postscript=none}}] {{cite book|ref={{harvid|Dembski-Bowden|&#91;2012&#93; 2013}}|last=Dembski-Bowden|first=Aaaron|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2013|origyear=<nowiki />] published 2012|type=print|format=]|edition=1st UK trade|isbn= 978-1-84970-388-8}} * {{cite book|ref={{harvid|Dunn|2012-1}}|editor-last=Dunn|editor-first=Christian|date=January 2012|title=The Primarchs |type=e‑audiobook|others=Includes novellas by Nick Kyme, ], Rob Sanders & Gav Thorpe; read by ], ], Jonathan Keeble & David Timpson|series=Horus Heresy {{interp|book series}}|volume=20|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-638-6|editor-mask=2|postscript=none}};; {{cite book|ref={{harvid|Dunn|2012-2}}|editor-last=Dunn|editor-first=Christian|display-editors=0|title=The Primarchs |date=February 2012|publisher=Black Library |type=e‑book|isbn=978-0-85787-651-5|postscript=none}};; {{cite book|ref={{harvid|Dunn|2012-3}}|editor-last=Dunn|editor-first=Christian|display-editors=0|title=The Primarchs |date=March 2012|type=print|others=Cover art & illustration by Neil Roberts|publisher=BL |edition=1st UK|isbn=978-1-84970-207-2}}
* {{cite book|ref={{harvid|Dunn|2011-1}}|editor-last=Dunn|editor-first=Christian|year=2011-1|booktitle=Age of darkness|type=e&#8209;audiobook|format=MP3|others=Contains short stories by series authors; read by ], Martyn Ellis & Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=16|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-154-1|postscript=none}}] {{cite ebook|ref={{harvid|Dunn|2011-2}}|editor-last=Dunn|editor-first=Christian|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-153-4|postscript=none}}] {{cite book|ref={{harvid|Dunn|2011-3}}|editor-last=Dunn|editor-first=Christian|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-036-8}} * {{cite book|ref={{harvid|Dunn|Kyme|2012-1}}|editor1-last=Dunn|editor1-first=Christian|editor2-last=Kyme|editor2-first=Nick|date=January 2012|title=Shadows of Treachery |type=e‑book|others=Includes short stories by ], ] & Gav Thorpe; novellas by Aaron Dembski-Bowden & John French|series=Horus Heresy {{interp|book series}}|volume=22|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-828-1|name-list-style=amp|postscript=none}};; {{cite book|ref={{harvid|Dunn|Kyme|2012-2}}|editor1-last=Dunn|editor1-first=Christian|editor2-last=Kyme|editor2-first=Nick|display-editors=0|title=Shadows of Treachery |date=February 2012|type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84970-346-8}}
* {{cite web|ref={{harvid|Black Library Online|"Ebooks: Horus Heresy"}}|author=<!--Staff writer(s); no by-line.-->|title=Ebooks: Horus Heresy|url=http://www.blacklibrary.com/ebooks/horus-heresy|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|access-date=January 12, 2012|archive-url=https://web.archive.org/web/20120102121208/http://www.blacklibrary.com/ebooks/horus-heresy|archive-date=January 2, 2012|url-status=dead}}
* {{cite book|ref={{harvid|Dunn|2012-1}}|editor-last=Dunn|editor-first=Christian|year=2012-1|booktitle=The primarchs|type=e&#8209;audiobook|format=MP3|others=Includes novellas by Nick Kyme, ], Rob Sanders & Gav Thorpe; read by ], ], Jonathan Keeble & David Timpson|series=Horus Heresy {{interp|book series}}|volume=20|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-638-6|editor-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Dunn|2012-2}}|editor-last=Dunn|editor-first=Christian|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-651-5|postscript=none}}] {{cite book|ref={{harvid|Dunn|2012-3}}|editor-last=Dunn|editor-first=Christian|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-207-2}}
* {{cite web|ref={{harvid|Black Library Online|FAQ}}|author=<!--Staff writer(s); no by-line.-->|title=FAQ: Digital products, eBooks and audio|url=http://www.blacklibrary.com/Getting-Started/FAQ-Digital-products.html|work=blacklibrary.com|publisher=Games Workshop|archive-url=https://web.archive.org/web/20101229123213/http://www.blacklibrary.com/Getting-Started/FAQ-Digital-products.html|archive-date=December 29, 2010|url-status=dead|access-date=September 8, 2012}}
* {{cite ebook|ref={{harvid|Dunn|Kyme|2012-1}}|editor1-last=Dunn|editor1-first=Christian|editor2-last=Kyme|editor2-first=Nick|year=2012-1|booktitle=Shadows of treachery|type=e&#8209;book|format=EPUB; mobi|others=Includes short stories by ], ] & Gav Thorpe; novellas by Aaron Dembski-Bowden & John French|series=Horus Heresy {{interp|book series}}|volume=22|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-828-1|lastauthoramp=y|postscript=none}}] {{cite book|ref={{harvid|Dunn|Kyme|2012-2}}|editor1-last=Dunn|editor1-first=Christian|editor2-last=Kyme|editor2-first=Nick|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012-2|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-346-8}}
* {{cite news|last=Farley|first=Jordan|date=July 21, 2010|title=Interview: Neil Roberts|url=http://www.sfx.co.uk/2010/07/21/interview-neil-roberts/|department=Features|work=]|type=online news resource|publisher=]|location=]|archive-url=https://web.archive.org/web/20130114212305/http://www.sfx.co.uk/2010/07/21/interview-neil-roberts/|archive-date=January 14, 2013|url-status=live|access-date=October 7, 2012}}
* {{cite web|ref={{harvid|Black Library Online|"Ebooks: Horus Heresy"}}|author=<!-- Staff writer(s); no by-line. -->|title=Ebooks: Horus Heresy|url=http://www.blacklibrary.com/ebooks/horus-heresy|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|accessdate=2012-01-12}}
* {{cite web|ref={{harvid|Black Library Online|FAQ}}|author=<!-- Staff writer(s); no by-line.-->|title=FAQ: Digital products, eBooks and audio|url=http://www.blacklibrary.com/Getting-Started/FAQ-Digital-products.html|website=blacklibrary.com|publisher=Games Workshop|archiveurl=http://web.archive.org/web/20101229123213/http://www.blacklibrary.com/Getting-Started/FAQ-Digital-products.html|archivedate=2010-12-29|deadurl=no|accessdate=2012-09-08}} * {{cite web|last=Fergus|first=Stefan|date=August 30, 2012|title={{-'}}Shadows of Treachery' ed. by Christian Dunn & Nick Kyme (Black Library)|url=http://civilian-reader.blogspot.com/2012/08/shadows-of-treachery-ed-by-christian.html|work=Civilian Reader|type=]|publisher=Self-published|location=UK|archive-url=https://web.archive.org/web/20141222102017/http://civilian-reader.blogspot.com/2012/08/shadows-of-treachery-ed-by-christian.html|archive-date=December 22, 2014|url-status=live|access-date=October 2, 2012}}
* {{cite web|ref={{harvid|Flory|GFBR}}|last=Flory|first=Graeme|title=Graeme's Fantasy Book Review|url=http://www.graemesfantasybookreview.com|work=graemesfantasybookreview.com|type=blog|publisher=Self-published|location=London, UK|access-date=March 15, 2012|archive-date=February 29, 2012|archive-url=https://web.archive.org/web/20120229154119/http://www.graemesfantasybookreview.com/|url-status=live}}
* {{cite news|ref=harv|last=Farley|first=Jordan|date=21 July 2010|article=Interview: Neil Roberts|url=http://www.sfx.co.uk/2010/07/21/interview-neil-roberts/|department=Features|work=]|type=online news resource|publisher=]|location=]|archiveurl=http://www.webcitation.org/6C1SMgzCn|archivedate=2012-11-08|deadurl=no|accessdate=2012-10-07}}
** {{cite web|last=Flory|first=Graeme|display-authors=0|date=April 13, 2007|title=Tales from the Black Library{{spnd}} 'The Horus Heresy{{'-}}|url=http://www.graemesfantasybookreview.com/2007/06/tales-from-black-library-horus-heresy.html|archive-url=https://www.webcitation.org/66GHsq5G1?url=http://www.graemesfantasybookreview.com/2007/06/tales-from-black-library-horus-heresy.html|archive-date=March 18, 2012|url-status=dead|access-date=March 15, 2012}}
* {{cite web|ref=harv|last=Fergus|first=Stefan|date=30 August 2012|title={{-'}}Shadows of Treachery' ed. by Christian Dunn & Nick Kyme (Black Library)|url=http://civilian-reader.blogspot.com/2012/08/shadows-of-treachery-ed-by-christian.html|website=Civilian Reader|type=]|publisher=Self-published|location=UK|archiveurl=http://www.webcitation.org/6C1SbKzP1|archivedate=2012-11-08|deadurl=no|accessdate=2012-10-02}}
* {{cite web|ref={{harvid|Flory|GFBR}}|last=Flory|first=Graeme|title=Graeme's Fantasy Book Review|url=http://www.graemesfantasybookreview.com|website=graemesfantasybookreview.com|type=blog|publisher=Self-published|location=London, UK|accessdate=2012-03-15}} ** {{cite web|last=Flory|first=Graeme|display-authors=0|date=April 28, 2011|title={{-'}}Age of Darkness'{{spnd}} Edited by Christian Dunn (Black Library)|url=http://www.graemesfantasybookreview.com/2011/04/age-of-darkness-edited-by-christian.html|archive-url=https://web.archive.org/web/20111027105443/http://www.graemesfantasybookreview.com/2011/04/age-of-darkness-edited-by-christian.html|archive-date=October 27, 2011|url-status=dead|access-date=March 8, 2012}}
** {{cite web|ref={{harvid|Flory|2007}}|last=Flory|first=Graeme|displayauthors=0|date=13 April 2007|title=Tales from the Black Library{{spnd}} 'The Horus Heresy{{'-}}|url=http://www.graemesfantasybookreview.com/2007/06/tales-from-black-library-horus-heresy.html|archiveurl=http://www.webcitation.org/66GHsq5G1|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-15}} ** {{cite web|last=Flory|first=Graeme|display-authors=0|date=August 11, 2012|title={{-'}}Fear to Tread'{{spnd}} James Swallow (Black Library)|url=http://www.graemesfantasybookreview.com/2012/08/fear-to-tread-james-swallow-black.html|archive-url=https://web.archive.org/web/20121025042900/http://www.graemesfantasybookreview.com/2012/08/fear-to-tread-james-swallow-black.html|archive-date=October 25, 2012|url-status=dead|access-date=October 21, 2012}}
* {{cite journal|last=Fortune|first=Ed|date=n.d.|title=Audio Review: A Thousand Sons + Prospero Burns|url=http://www.starburstmagazine.com/reviews/audio-reviews/2504-audiobook-review-a-thousand-sons-prospero-burns|journal=]|department=Reviews|publisher=Starburst Magazine|location=]|issn=0955-114X|archive-url=https://web.archive.org/web/20121126032427/http://www.starburstmagazine.com/reviews/audio-reviews/2504-audiobook-review-a-thousand-sons-prospero-burns|archive-date=November 26, 2012|url-status=live|access-date=January 8, 2013}}
** {{cite web|ref={{harvid|Flory|2011}}|last=Flory|first=Graeme|displayauthors=0|date=28 April 2011|title={{-'}}Age of Darkness'{{spnd}} Edited by Christian Dunn (Black Library)|url=http://www.graemesfantasybookreview.com/2011/04/age-of-darkness-edited-by-christian.html|archiveurl=http://www.webcitation.org/66GIBQgpp|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-08}}
* {{cite journal|last=Fortune|first=Ed|date=February 26, 2012|title=Book Review: Know No Fear|url=http://www.starburstmagazine.com/reviews/book-reviews-latest-literary-releases/2011-book-review-know-no-fear|department=Reviews|journal=]|publisher=Starburst Magazine|location=Manchester, UK|issn=0955-114X|archive-url=https://web.archive.org/web/20120402073344/http://www.starburstmagazine.com/reviews/book-reviewslatest-literary-releases/2011-book-review-know-no-fear|archive-date=April 2, 2012|url-status=live|access-date=March 8, 2012|author-mask=2}}
** {{cite web|ref={{harvid|Flory|2012}}|last=Flory|first=Graeme|displayauthors=0|date=11 August 2012|title={{-'}}Fear to Tread'{{spnd}} James Swallow (Black Library)|url=http://www.graemesfantasybookreview.com/2012/08/fear-to-tread-james-swallow-black.html|archiveurl=http://www.webcitation.org/6C1T8tBou|archivedate=2012-11-08|deadurl=no|accessdate=2012-10-21}}
* {{cite journal|last=French|first=John|date=May 2011|orig-year=also in {{harvs|nb=yes|last=Dunn|year1=2011-1|year2=2011-2}}|editor-last=Dunn|editor-first=Christian|title=The Last Remembrancer|journal=Hammer and Bolter|issue=7|type=e-magazine|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-993-6}}
* {{cite magazine|ref=harv|last=Fortune|first=Ed|year=n.d.|article=Audio Review: A Thousand Sons + Prospero Burns|url=http://www.starburstmagazine.com/reviews/audio-reviews/2504-audiobook-review-a-thousand-sons-prospero-burns|magazine=]|department=Reviews|publisher=Starburst Magazine|location=]|issn=0955-114X|archiveurl=http://www.webcitation.org/6DWViKd1v|archivedate=2013-01-08|deadurl=no|accessdate=2013-01-08}}
* {{cite book|last=French|first=John|year=2012|orig-year=also in {{harvnb|Dunn|Kyme|2012-1}}|title=The crimson fist|type=e‑book|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-732-1|author-mask=2}}
* {{cite magazine|ref=harv|last=Fortune|first=Ed|date=26 February 2012|article=Book Review: Know No Fear|url=http://www.starburstmagazine.com/reviews/book-reviews-latest-literary-releases/2011-book-review-know-no-fear|department=Reviews|magazine=]|department=Reviews|publisher=Starburst Magazine|location=Manchester, UK|issn=0955-114X|archiveurl=http://www.webcitation.org/66GIK5GKm|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-08|author-mask=2}}
* {{cite web|ref={{harvid|Black Library Online|"Frequently Asked Questions"}}|author=<!--Staff writer(s); no by-line.-->|title=Frequently Asked Questions|url=http://www.blacklibrary.com/Getting-Started/Frequently-Asked-Questions.html|work=blacklibrary.com|publisher=Games Workshop|at=§&nbsp;"Our most common questions"|archive-url=https://web.archive.org/web/20110527003948/http://www.blacklibrary.com/Getting-Started/Frequently-Asked-Questions.html|archive-date=May 27, 2011|url-status=dead|access-date=April 7, 2012}}
* {{cite magazine|ref=harv|last=French|first=John|month=May|year=2011|origyear=also in {{harvs|nb=yes|last=Dunn|year1=2011-1|year2=2011-2}}|editor-last=Dunn|editor-first=Christian|contribution=The Last Remembrancer|magazine=Hammer and Bolter|issue=7|type=e-magazine|format=EPUB; mobi; MP3|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-993-6}}
* {{cite book|editor-last=Goulding|editor-first=Laurie|year=2009|title=The imperial truth: tales from the great crusade|url=http://www.shroudfilm.co.uk/TGCAnth.pdf|type=e‑book|others=Includes short stories by fan fiction authors; compiled by ]; selections suggested and introduction by ]|publisher=ShroudFilm|location=]|archive-url=https://web.archive.org/web/20221206122109/http://www.shroudfilm.co.uk/TGCAnth.pdf|archive-date=December 6, 2022|url-status=dead|access-date=February 16, 2013|editor-link=Laurie Goulding}}
* {{cite ebook|ref=harv|last=French|first=John|year=2012|origyear=also in {{harvnb|Dunn|Kyme|2012-1}}|booktitle=The crimson fist|type=e&#8209;book|format=EPUB, mobi|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-732-1|author-mask=2}}
* {{cite book|editor-last=Goulding|editor-first=Laurie|year=2013|title=Mark of Calth|type=e‑audiobook|others=Contains a novella by ], and short stories by other series authors; read by ], Jonathan Keeble & David Timpson|series=Horus Heresy {{interp|book series}}|volume=25|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-643-0|editor-mask=2}}
* {{cite web|ref={{harvid|Black Library Online|"Frequently Asked Questions"}}|author=<!-- Staff writer(s); no by-line.-->|title=Frequently Asked Questions|url=http://www.blacklibrary.com/Getting-Started/Frequently-Asked-Questions.html|website=blacklibrary.com|publisher=Games Workshop|at=§&nbsp;"Our most common questions"|archiveurl=http://web.archive.org/web/20110527003948/http://www.blacklibrary.com/Getting-Started/Frequently-Asked-Questions.html|archivedate=2011-05-27|deadurl=no|accessdate=2012-04-07}}
* {{cite journal|ref={{harvid|Gronli|2008a}}|last=Gronli|first=Jonathan|date=August 22, 2008|title=Gamertell Review: The Horus Heresy: False Gods by Graham McNeill|url=http://www.technologytell.com/gaming/38409/gamertell-review-the-horus-heresy-false-gods-by-graham-mcneill|department=Gamertell: Reviews|journal=TechnologyTell|type=]|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archive-url=https://web.archive.org/web/20140822134841/http://www.technologytell.com/gaming/38409/gamertell-review-the-horus-heresy-false-gods-by-graham-mcneill/|archive-date=August 22, 2014|url-status=live|access-date=March 14, 2012}}
* {{cite ebook|ref={{harvid|Goulding|2009}}|editor-last=Goulding|editor-first=Laurie|year=2009|booktitle=The imperial truth: tales from the great crusade|url=http://www.shroudfilm.co.uk/TGCAnth.pdf|type=e&#8209;book|format=]|others=Includes short stories by fan fiction authors; compiled by ]; selections suggested and introduction by ]|publisher=ShroudFilm|location=]|archiveurl=http://www.webcitation.org/6ETkLZL4C|archivedate=2013-02-16|deadurl=no|accessdate=2013-02-16|editor-link=Laurie Goulding}}
* {{cite journal|ref={{harvid|Gronli|2008b}}|last=Gronli|first=Jonathan|date=November 20, 2008|title=Horus Heresy novel series wrapup|url=http://www.technologytell.com/gaming/40637/horus-heresy-novel-series-wrapup|department=Gamertell|journal=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archive-url=https://web.archive.org/web/20140821145355/http://www.technologytell.com/gaming/40637/horus-heresy-novel-series-wrapup/|archive-date=August 21, 2014|url-status=live|access-date=March 15, 2012|author-mask=2}}
* {{cite book|ref=harv|editor-last=Goulding|editor-first=Laurie|year=2013|booktitle=Mark of Calth|type=e&#8209;audiobook|format=MP3|others=Contains a novella by ], and short stories by other series authors; read by ], Jonathan Keeble & David Timpson|series=Horus Heresy {{interp|book series}}|volume=25|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-643-0|editor-mask=2}}
* {{cite magazine|ref={{harvid|Gronli|2008a}}|last=Gronli|first=Jonathan|date=22 August 2008|article=Gamertell Review: The Horus Heresy: False Gods by Graham McNeill|url=http://www.technologytell.com/gaming/38409/gamertell-review-the-horus-heresy-false-gods-by-graham-mcneill|department= Gamertell: Reviews|magazine=TechnologyTell|type=]|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archiveurl=http://www.webcitation.org/66GISD2nV|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-14}} * {{cite journal|ref={{harvid|Gronli|2010a}}|last=Gronli|first=Jonathan|date=March 24, 2010|title=A Thousand Sons makes New York Times Best Seller list|url=http://www.technologytell.com/gaming/55008/a-thousand-sons-makes-new-york-times-best-seller-list/|department=Gaming News|journal=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archive-url=https://web.archive.org/web/20131002202012/http://www.technologytell.com/gaming/55008/a-thousand-sons-makes-new-york-times-best-seller-list/|archive-date=October 2, 2013|url-status=live|access-date=May 13, 2013|author-mask=2}}
* {{cite magazine|ref={{harvid|Gronli|2008b}}|last=Gronli|first=Jonathan|date=20 November 2008|article=Horus Heresy novel series wrapup|url=http://www.technologytell.com/gaming/40637/horus-heresy-novel-series-wrapup|department=Gamertell|magazine=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archiveurl=http://www.webcitation.org/66GIa48TK|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-15|author-mask=2}} * {{cite journal|ref={{harvid|Gronli 2010b}}|last=Gronli|first=Jonathan|date=October 18, 2010|title=Gamertell Review: The Horus Heresy: Nemesis by James Swallow|url=http://www.technologytell.com/gaming/62576/horus-heresy-nemesis-by-james-swallow-book-review|department=Gamertell|journal=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archive-url=https://web.archive.org/web/20141026175204/http://www.technologytell.com/gaming/62576/horus-heresy-nemesis-by-james-swallow-book-review/|archive-date=October 26, 2014|url-status=live|access-date=October 21, 2012|author-mask=2}}
* {{cite web|ref={{harvid|Black Library Online|"Horus Heresy"}}|author=<!--Staff writer(s); no by-line.-->|title=Horus Heresy|url=http://www.blacklibrary.com/Horus-Heresy|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archive-url=https://web.archive.org/web/20110527012528/http://www.blacklibrary.com/Horus-Heresy|archive-date=May 27, 2011|url-status=dead|access-date=January 26, 2012}}
* {{cite magazine|ref={{harvid|Gronli|2010a}}|last=Gronli|first=Jonathan|date=24 March 2010|article=A Thousand Sons makes New York Times Best Seller list|url=http://www.technologytell.com/gaming/55008/a-thousand-sons-makes-new-york-times-best-seller-list/|department=Gaming News|magazine=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archiveurl=http://www.webcitation.org/6GaguGp5g|archivedate=2013-05-13|deadurl=no|accessdate=2013-05-13|author-mask=2}}
* {{cite magazine|ref={{harvid|Gronli|2010b}}|last=Gronli|first=Jonathan|date=18 October 2010|article=Gamertell Review: The Horus Heresy: Nemesis by James Swallow|url=http://www.technologytell.com/gaming/62576/horus-heresy-nemesis-by-james-swallow-book-review|department=Gamertell|magazine=TechnologyTell|type=online magazine|publisher=Technology Tell Network|location=Philadelphia, Pennsylvania|archiveurl=http://www.webcitation.org/6C1Sr10ZP|archivedate=2012-11-08|deadurl=no|accessdate=2012-10-21|author-mask=2}} * {{cite journal|ref={{harvid|Blogcritics|"Horus Heresy Articles"}}|author=<!--Staff writer(s); no by-line.-->|title=Horus Heresy Articles|url=http://blogcritics.org/tag/horus-heresy/|journal=]|type=online magazine|publisher=]|location=San Francisco, California|issn=1936-0649|archive-url=https://web.archive.org/web/20130629164148/http://blogcritics.org/tag/horus-heresy/|archive-date=June 29, 2013|url-status=live|access-date=March 8, 2012}}
* {{cite web|ref={{harvid|Black Library Online|"Horus Heresy"}}|author=<!-- Staff writer(s); no by-line. -->|title=Horus Heresy|url=http://www.blacklibrary.com/Horus-Heresy|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archiveurl=http://web.archive.org/web/20110527012528/http://www.blacklibrary.com/Horus-Heresy|archivedate=2011-05-27|deadurl=no|accessdate=2012-01-26}} * {{cite web|ref={{harvid|Black Library Online|"Horus Heresy Collections"}}|author=<!--Staff writer(s); no by-line.-->|title=Horus Heresy Collections|url=http://www.blacklibrary.com/collections|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archive-url=https://web.archive.org/web/20121116200023/http://www.blacklibrary.com/collections|archive-date=November 16, 2012|url-status=dead|access-date=October 22, 2012}}
* {{cite web|ref={{harvid|isilvra|2011}}|author=isilvra {{interp|]}}|date=February 17, 2011|orig-year=] "09:31 PM"|title=Horus Heresy timeline: Post #3|url=http://www.bolterandchainsword.com/index.php?s=05443307d6ffaf06af1523989f5203cd&showtopic=222664&view=findpost&p=2662681|version=Author edit of 2011-02-18, 8:05&nbsp;pm|editor=(discussion originator) AekoldHelbrass {{interp|pseudonym}}|website=The Bolter and Chainsword|type=online discussion site|publisher=David Johnston|location=], UK|at=Forum: The Horus Heresy|id={{interp|] id}} 222664|archive-url=https://www.webcitation.org/6C35xDZPt?url=http://www.bolterandchainsword.com/index.php?s=d229775a47ab855cf962c791f7479d53&showtopic=222664&st=0&p=2662681&|archive-date=November 9, 2012|url-status=live|access-date=October 26, 2012}}
* {{cite web|ref={{harvid|TV Tropes|"Horus Heresy"}}|author=<!-- TV Tropes contributors -->|title=Horus Heresy|url=http://tvtropes.org/pmwiki/pmwiki.php/Main/HorusHeresy|website=Television Tropes & Idioms|type=]|publisher=]|location=US|archiveurl=http://web.archive.org/web/20120408171545/http://tvtropes.org/pmwiki/pmwiki.php/Main/HorusHeresy|archivedate=2012-04-08|deadurl=no|accessdate=2012-03-16}}
* {{cite book|last=Johnson|first=Jervis|year=1988|title=Adeptus titanicus|type=print|others=Cover art by ]; illustrations & reproductions by Games Workshop staff artists & designers|series={{interp|Epic rulebooks}}|publisher=Games Workshop|location=Nottingham, UK|edition=1st|id={{Listed Invalid ISBN|1-869893-57-3}} {{interp|may be obsolete}}. {{interp|Product code}} GW00261|author-link=Jervis Johnson}}
* {{cite magazine|ref={{harvid|Blogcritics|"Horus Heresy Articles"}}|author=<!-- Staff writer(s); no by-line. -->|title=Horus Heresy Articles|url=http://blogcritics.org/tag/horus-heresy/|magazine=]|type=online magazine|publisher=]|location=San Francisco, California|issn=1936-0649|archiveurl=http://www.webcitation.org/6C35cRGuj|archivedate=2012-11-09|deadurl=no|accessdate=2012-03-08}}
* {{cite report|ref={{harvid|Kirby et al.|2012}}|date=July 30, 2012|last1=Kirby|first1=Tom|last2=Wells|first2=Mark|url=http://investor.games-workshop.com/wp-content/uploads/2012/07/Final-group-accounts-3-June-2012.pdf|title=Annual report 2012|type=] ]|others=Audited by ]; Mark Smith, Senior ] Auditor|publisher=Games Workshop Group|location=Nottingham, UK|series=Annual And Half Year Reports|volume=2011–2012|archive-url=https://web.archive.org/web/20130310132453/http://investor.games-workshop.com/wp-content/uploads/2012/07/Final-group-accounts-3-June-2012.pdf|archive-date=March 10, 2013|url-status=live|access-date=February 14, 2013|display-authors=etal}}
* {{cite web|ref={{harvid|Black Library Online|"Horus Heresy Collections"}}|author=<!-- Staff writer(s); no by-line. -->|title=Horus Heresy Collections|url=http://www.blacklibrary.com/collections|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archiveurl=http://web.archive.org/web/20121116200023/http://www.blacklibrary.com/collections|archivedate=2012-11-16|deadurl=no|accessdate=2012-10-22}}
* {{cite book|last=Kyme|first=Nick|year=2011a|orig-year=also in {{harvnb|Dunn|2011-1}}|title=Forgotten sons|type=e‑audio short|others=Read by Martyn Ellis|series=Horus Heresy {{interp|short stories}}|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-191-6}}
* {{cite web|ref={{harvid|isilvra|2011}}|author=isilvra {{interp|]}}|date=17 February 2011|origyear=<nowiki />] "09:31 PM"|title=Horus Heresy timeline: Post #3|url=http://www.bolterandchainsword.com/index.php?s=05443307d6ffaf06af1523989f5203cd&showtopic=222664&view=findpost&p=2662681|version=Author edit of 2011-02-18, 8:05&nbsp;pm|editor=(discussion originator) AekoldHelbrass {{interp|pseudonym}}|website=The Bolter and Chainsword|type=online discussion site|publisher=David Johnston|location=], UK|at="Forum: The Horus Heresy"|id={{interp|] id}} 222664|archiveurl=http://www.webcitation.org/6C35xDZPt|archivedate=2012-11-09|deadurl=no|accessdate=2012-10-26}}
* {{cite book|ref=harv|last=Johnson|first=Jervis|year=1988|booktitle=Adeptus titanicus|type=print|format=]|others=Cover art by ]; illustrations & reproductions by Games Workshop staff artists & designers|series={{interp|Epic rulebooks}}|publisher=Games Workshop|location=Nottingham, UK|edition=1st|id={{Listed Invalid ISBN|1-869893-57-3}} {{interp|may be obsolete}}. {{interp|Product code}} GW00261|authorlink=Jervis Johnson}} * {{cite book|last=Kyme|first=Nick|year=2011b|title=Promethean sun: into the fires of war|type=print|others=Cover art by Neil Roberts|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|edition=Collectors|isbn=978-1-84970-122-8|author-mask=2}}
* {{cite book |editor1-last=Kyme|editor1-first=Nick|editor2-last=Priestley|editor2-first=Lindsey|year=2009|title=Tales of Heresy|type=print|others=Features short stories by series authors; cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=10|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-683-1|name-list-style=amp|postscript=none}};; {{cite book|editor1-last=Kyme|editor1-first=Nick|editor2-last=Priestley|editor2-first=Lindsey|display-editors=0|title=Tales of Heresy |year=2010 |publisher=Black Library, Games Workshop Limited |type=e‑book|isbn=978-0-85787-038-4}}
* {{cite report|ref={{harvid|Kirby et al.|2012}}|date=30 July 2012|last1=Kirby|first1=Tom|last2=Wells|first2=Mark et al.|url=http://investor.games-workshop.com/wp-content/uploads/2012/07/Final-group-accounts-3-June-2012.pdf|title=Annual report 2012|format=]|type=] ]|others=Audited by ]; Mark Smith, Senior ] Auditor|publisher=Games Workshop Group|location=Nottingham, UK|series=Annual And Half Year Reports|volume=2011–2012|archiveurl=http://www.webcitation.org/6EQqSF5C8|archivedate=2013-02-14|deadurl=no|accessdate=2013-02-14}}
* {{cite book|ref=harv|last=Kyme|first=Nick|year=2011a|origyear=also in {{harvnb|Dunn|2011-1}}|booktitle=Forgotten sons|type=e&#8209;audio short|format=MP3|others=Read by Martyn Ellis|series=Horus Heresy {{interp|short stories}}|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-191-6}} * {{cite book|last=Lee|first=Mike|year=2009|title=Fallen Angels: Deceit and Betrayal|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=11|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-728-9|postscript=none}};; {{cite book|last=Lee|first=Mike|display-authors=0|title=Fallen Angels: Deceit and Betrayal |year=2010|publisher=Black Library |type=e‑book|isbn=978-0-85787-039-1}}
* {{cite web|ref={{harvid|Black Library Online|"Horus Heresy Audio Boxset"}}|author=<!--Staff writer(s); no by-line.-->|title=Limited Edition Horus Heresy Audio Boxset|url=http://www.blacklibrary.com/horus-heresy/limited-edition-horus-heresy-audio-boxset.html|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archive-url=https://web.archive.org/web/20111002033536/http://www.blacklibrary.com/Horus-Heresy/limited-edition-horus-heresy-audio-boxset.html|archive-date=October 2, 2011|url-status=dead|access-date=January 19, 2012}}
* {{cite book|ref=harv|last=Kyme|first=Nick|year=2011b|booktitle=Promethean sun: into the fires of war|type=print|format=hardcover|others=Cover art by Neil Roberts|series=Horus Heresy {{interp|novellas}}|publisher=Black Library|location=Nottingham, UK|edition="Collectors"|isbn=978-1-84970-122-8|author-mask=2}}
* {{cite web|ref={{harvid|Locus Online|"Locus Bestsellers"}}|author=<!--Staff writer(s); no by-line.-->|title=Locus Bestsellers|url=http://www.locusmag.com/Magazine/category/bestsellers/|work=Locus Online|publisher=]|location=California, US|at=§§&nbsp;"Gaming-Related", {{interp|data collection notes}}|issn=0047-4959|access-date=April 26, 2013|postscript=. {{interp|Charts lag data collection by 3 months}}.|archive-date=April 27, 2013|archive-url=https://web.archive.org/web/20130427155905/http://www.locusmag.com/Magazine/category/bestsellers/|url-status=live}}
* {{cite book|ref=harv|editor1-last=Kyme|editor1-first=Nick|editor2-last=Priestley|editor2-first=Lindsey|year=2009|booktitle=Tales of heresy|type=print|format=] paperback|others=Features short stories by series authors; cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=10|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-683-1|lastauthoramp=y|postscript=none}}] {{cite ebook|ref={{harvid|Kyme|Priestley|2010}}|editor1-last=Kyme|editor1-first=Nick|editor2-last=Priestley|editor2-first=Lindsey|displayeditors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-038-4}}
** {{cite web|ref={{harvid|Locus Online|2006}}|author=<!--Staff writer(s); no by-line.-->|title=August 2006|url=http://www.locusmag.com/2006/Issues/08LocusBestsellers.html|date=August 2006|orig-year=originally in issue 547; unspecified online pub. date|archive-url=https://web.archive.org/web/20121026094221/http://www.locusmag.com/2006/Issues/08LocusBestsellers.html|archive-date=October 26, 2012|url-status=live|access-date=October 28, 2012|quote=Data period: May 2006.}}
* {{cite book|ref=harv|last=Lee|first=Mike|year=2009|booktitle=Fallen angels: deceit and betrayal|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=11|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-728-9|postscript=none}}] {{cite ebook|ref={{harvid|Lee|2010}}|last=Lee|first=Mike|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-039-1}}
* {{cite web|ref={{harvid|Black Library Online|"Horus Heresy Audio Boxset"}}|author=<!-- Staff writer(s); no by-line. -->|title=Limited Edition Horus Heresy Audio Boxset|url=http://www.blacklibrary.com/horus-heresy/limited-edition-horus-heresy-audio-boxset.html|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|archiveurl=http://web.archive.org/web/20111002033536/http://www.blacklibrary.com/Horus-Heresy/limited-edition-horus-heresy-audio-boxset.html|archivedate=2011-11-20|deadurl=yes|accessdate=2012-01-19}} ** {{cite web|ref={{harvid|Locus Online|2013}}|author=<!--Staff writer(s); no by-line.-->|title=January {{interp|2013}}|url=http://www.locusmag.com/Magazine/2013/01/locus-bestsellers/|date=January 10, 2013|orig-year=originally in issue 624|archive-url=https://www.webcitation.org/6GATDj0P8?url=http://www.locusmag.com/Magazine/2013/01/locus-bestsellers/|archive-date=April 26, 2013|url-status=live|access-date=April 26, 2013|quote=Data period: October 2012.}}
* {{cite web|ref={{harvid|Locus Online|"Locus Bestsellers"}}|author=<!-- Staff writer(s); no by-line. -->|title=Locus Bestsellers|url=http://www.locusmag.com/Magazine/category/bestsellers/|website=Locus Online|origyear=originally in print, ]|publisher=]|location=California, US|at=§§&nbsp;"Gaming-Related", {{interp|data collection notes}}|issn=0047-4959|accessdate=2013-04-26|postscript=.&#32;{{interp|Charts lag data collection by 3 months}}.}} * {{cite web|ref={{harvid|Marcoos et al.|2013}}|author=Marcoos {{interp|]}} |display-authors=etal |url=https://www.tapatalk.com/groups/thefirstexpedition/primarch-discovery-order-t136.html |date=January 24, 2013|title=Primarch Discovery Order|work=The First Expedition|type=online discussion site|publisher=Hyperion {{interp|pseudonym}} et al.; ]|at=p.&nbsp;2. "Forum:&nbsp;30,000&nbsp;Q&As"|id={{interp|] id}} 136|postscript=. {{interp|Partial archive}}.}}
* {{cite web|ref={{harvid|Masshuu et al.|2010}}|author=Masshuu {{interp|]}}|display-authors=etal|date=May 10, 2010|title=Upcoming Horus Heresy Novels|url=http://www.40kforums.com/vb/showthread.php/22297-Upcoming-Horus-Heresy-Novels|work=Warhammer 40k Forums, Articles & Blogs|type=online discussion site|publisher=40K Forums|location=UK|at=Forum: Warhammer 40k Background and Stories|id={{interp|] id}} 22297|archive-url=https://www.webcitation.org/6C36UmpdI?url=http://www.40kforums.com/vb/showthread.php/22297-Upcoming-Horus-Heresy-Novels|archive-date=November 9, 2012|url-status=live|access-date=October 26, 2012|postscript=. {{interp|Partial archive}}.}}
** {{cite web|ref={{harvid|Locus Online|2006}}|author=<!-- Staff writer(s); no by-line. -->|title=August 2006|url=http://www.locusmag.com/2006/Issues/08LocusBestsellers.html|year=2006|month=August|origyear=originally in issue 547; unspecified online pub. date|archiveurl=http://www.webcitation.org/6C36MUKQl|archivedate=2012-11-09|deadurl=no|accessdate=2012-10-28|quote=Data period: May 2006.}}
* {{cite book |last=McNeill |first=Graham|year=2006|title=False gods: the heresy takes root|type=print|others=Cover art & illustration by Philip Sibbering|series=Horus Heresy {{interp|book series}} |volume=2|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-370-0|author-link=Graham McNeill|postscript=none}};; {{cite book|last=McNeill|first=Graham|display-authors=0|title=False gods: the heresy takes root |year=2010a|type=e‑book|isbn=978-0-85787-022-3|postscript=none}};; {{cite book|ref={{harvid|McNeill 2011b-1}}|last=McNeill|first=Graham|display-authors=0|title=False gods: the heresy takes root |year=2011 |type=audiobook|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=abridged|isbn=978-1-84970-057-3|postscript=none}};; {{cite book|ref={{harvid|McNeill 2011b-2}}|last=McNeill|first=Graham|display-authors=0|title=False gods: the heresy takes root |year=2011 |type=e‑audiobook|isbn=978-0-85787-114-5}}
** {{cite web|ref={{harvid|Locus Online|2013}}|author=<!-- Staff writer(s); no by-line. -->|title=January {{interp|2013}}|url= http://www.locusmag.com/Magazine/2013/01/locus-bestsellers/|date=10 January 2013|origyear=originally in issue 624|archiveurl=http://www.webcitation.org/6GATDj0P8|archivedate=2013-04-26|deadurl=no|accessdate=2013-04-26|quote=Data period: October 2012.}}
* {{cite book|last=McNeill|first=Graham|year=2007|title=Fulgrim: visions of treachery|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=5|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-476-9|author-mask=2|postscript=none}};; {{cite book|last=McNeill|first=Graham|display-authors=0|title=Fulgrim: visions of treachery |year=2010b|publisher=Black Library |type=e‑book|isbn=978-0-85787-028-5|postscript=none}};; {{cite book|last=McNeill|first=Graham|display-authors=0|title=Fulgrim: visions of treachery |year=2013b|type=e‑audiobook|others=Read by David Timpson|edition=unabridged|isbn=<!-- Unspecified -->}}
* {{cite web|ref={{harvid|Marcoos et al.|2013}}|author=Marcoos {{interp|]}} et al.|date=24 January 2013|title=Primarch Discovery Order|url=http://www.webcitation.org/6Dv8s1hPG<!-- source url: , domain "invisionfree.com" in ] as of accessdate. -->|website=The First Expedition|type=online discussion site|publisher=Hyperion {{interp|pseudonym}} et al.; ]|at=p.&nbsp;2. "Forum:&nbsp;30,000&nbsp;Q&As"|id={{interp|] id}} 136|archiveurl=http://www.webcitation.org/6Dv8s1hPG|archivedate=2013-01-24|deadurl=yes|accessdate=2013-01-24|postscript=.&#32;{{interp|Partial archive}}.}}
* {{cite book|last=McNeill|first=Graham|year=2008|title=Mechanicum: war comes to Mars|type=print|others=Cover art & illustration by Neil Roberts; map by Adrian Wood|series=Horus Heresy {{interp|book series}}|volume=9|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-664-0|author-mask=2|postscript=none}};; {{cite book|last=McNeill|first=Graham|display-authors=0|title=Mechanicum: war comes to Mars|year=2010c |publisher=Black Library |type=e‑book|isbn=978-0-85787-037-7}}
* {{cite web|ref={{harvid|Masshuu et al.|2010}}|author=Masshuu {{interp|]}} et al.|date=10 May 2010|title=Upcoming Horus Heresy Novels|url=http://www.40kforums.com/vb/showthread.php/22297-Upcoming-Horus-Heresy-Novels|website=Warhammer 40k Forums, Articles & Blogs|type=online discussion site|publisher=40K Forums|location=UK|at="Forum: Warhammer 40k Bacground and Stories"|id={{interp|] id}} 22297|archiveurl=http://www.webcitation.org/6C36UmpdI|archivedate=2012-11-09|deadurl=no|accessdate=2012-10-26|postscript=.&#32;{{interp|Partial archive}}.}}
* {{cite book|ref=harv|last=McNeill|first=Graham|year=2006|booktitle=False gods: the heresy takes root|type=print|format=] paperback|others=Cover art & illustration by Philip Sibbering|series=Horus Heresy {{interp|book series}}|volume=2|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-370-0|authorlink=Graham McNeill|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2010a}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010a|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-022-3|postscript=none}}] {{cite book|ref={{harvid|McNeill|2011b-1}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011b-1|type=audiobook|format=CD|others=Read by Martyn Ellis; abridged by Christian Dunn|edition=abridged|isbn=978-1-84970-057-3|postscript=none}}] {{cite book|ref={{harvid|McNeill|2011b-2}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011b-2|type=e&#8209;audiobook|format=MP3|isbn=978-0-85787-114-5}} * {{cite book|ref={{harvid|McNeill 2010d-1}}|last=McNeill|first=Graham|year=2010d |title=A thousand sons: all is dust...|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=12|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-808-8|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|McNeill 2010d-2}}|last=McNeill|first=Graham|display-authors=0|title=A thousand sons: all is dust...|year=2010d |type=e‑audiobook|others=Read by Martyn Ellis|edition=unabridged|isbn=978-0-85787-118-3|postscript=none}};; {{cite book|ref={{harvid|McNeill 2010d-3}}|last=McNeill|first=Graham|display-authors=0|title=A thousand sons: all is dust... |year=2010d |type=e‑book|isbn=978-0-85787-051-3}}
* {{cite book|ref=harv|last=McNeill|first=Graham|year=2007|booktitle=Fulgrim: visions of treachery|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=5|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-476-9|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2010b}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010b|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-028-5|postscript=none}}] {{cite book|ref={{harvid|McNeill|2013b}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2013b|type=e&#8209;audiobook|format=MP3|others=Read by David Timpson|edition=unabridged|isbn=<!-- Unspecified -->}} * {{cite book|ref={{harvid|McNeill 2011c-1}}|last=McNeill|first=Graham|year=2011 |title=The outcast dead: the truth lies within|type=e‑audiobook|others=Read by Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=17|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-327-9|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|McNeill 2011c-2}}|last=McNeill|first=Graham|display-authors=0|title=The outcast dead: the truth lies within|year=2011 |type=e‑book|isbn=978-0-85787-326-2|postscript=none}};; {{cite book|ref={{harvid|McNeill 2011c-3}}|last=McNeill|first=Graham|display-authors=0|title=The outcast dead: the truth lies within|year=2011|type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84970-086-3|url-access=registration|url=https://archive.org/details/isbn_9781849700870}}
* {{cite book|ref=harv|last=McNeill|first=Graham|year=2008|booktitle=Mechanicum: war comes to Mars|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts; map by Adrian Wood|series=Horus Heresy {{interp|book series}}|volume=9|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-664-0|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2010c}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010c|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-037-7}} * {{cite book|ref={{harvid|McNeill 2012b-1}}|last=McNeill|first=Graham|year=2012b |title=Angel exterminatus: flesh and iron|type=print|others=Cover art & illustration by Neil Roberts; illustrations by Karl Richardson|series=Horus Heresy {{interp|book series}}|volume=23|publisher=Black Library|location=Nottingham, UK|edition=Premium Hardback|isbn=978-1-84970-209-6 |author-mask=2|postscript=none}};; {{cite book|ref={{harvid|McNeill|2012b }}|last=McNeill|first=Graham|display-authors=0|title=Angel exterminatus: flesh and iron|year=2012b |type=e‑book |edition=Enhanced|isbn=978-0-85787-911-0}}
* {{cite book|ref={{harvid|McNeill|2010d-1}}|last=McNeill|first=Graham|year=2010d-1|booktitle=A thousand sons: all is dust...|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=12|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-808-8|author-mask=2|postscript=none}}] {{cite book|ref={{harvid|McNeill|2010d-2}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010d-2|type=e&#8209;audiobook|format=MP3|others=Read by Martyn Ellis|edition=unabridged|isbn=978-0-85787-118-3|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2010d-3}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010d-3|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-051-3}} * {{cite book|ref={{harvid|McNeill 2012b-3}}|last=McNeill|first=Graham|year=2012b |title=Angel exterminatus: flesh and iron|type=e‑audiobook|others=Read by David Timpson|series=Horus Heresy {{interp|book series}}|volume=23|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-639-3|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|McNeill 2013a-1}}|last=McNeill|first=Graham|display-authors=0|title=Angel exterminatus: flesh and iron |year=2013a |publisher=Black Library |orig-year=2012|type=e‑book|isbn=978-0-85787-912-7 |postscript=none}};; {{cite book|ref={{harvid|McNeill 2013a-2}}|last=McNeill|first=Graham|display-authors=0|title=Angel exterminatus: flesh and iron |year=2013a |orig-year=2012|type=print|others=Cover art by Neil Roberts|publisher=Black Library |edition=1st UK trade|isbn=978-1-84970-359-8}}
* {{cite news|last=McNish|first=Cliff|date=May 19, 2011|title=Cliff McNish's top 10 most frightening books for teenagers|url=https://www.theguardian.com/childrens-books-site/2011/may/19/cliff-mcnish-top-10?CMP=twt_gu|work=]|type=online news resource|publisher=]|location=London|edition=US|at=§&nbsp;"6. Legion by Dan Abnett"|oclc=60623878|archive-url=https://web.archive.org/web/20110821135140/http://www.guardian.co.uk/childrens-books-site/2011/may/19/cliff-mcnish-top-10?CMP=twt_gu|archive-date=August 21, 2011|url-status=live|access-date=October 19, 2012|author-link=Cliff McNish}}
* {{cite book|ref={{harvid|McNeill|2011c-1}}|last=McNeill|first=Graham|year=2011c-1|booktitle=The outcast dead: the truth lies within|type=e&#8209;audiobook|format=MP3|others=Read by Jonathan Keeble|series=Horus Heresy {{interp|book series}}|volume=17|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-327-9|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2011c-2}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011c-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-326-2|postscript=none}}] {{cite book|ref={{harvid|McNeill|2011c-3}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2011c-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-086-3}}
* {{cite book|ref={{harvid|McNeill|2012b-1}}|last=McNeill|first=Graham|year=2012b-1|booktitle=Angel exterminatus: flesh and iron|type=print|format=hardcover|others=Cover art & illustration by Neil Roberts; illustrations by Karl Richardson|series=Horus Heresy {{interp|book series}}|volume=23|publisher=Black Library|location=Nottingham, UK|edition="Premium Hardback"|isbn=978-1-84970-209-6|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|2012b-2}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012b-2|type=e&#8209;book|format=EPUB; mobi|edition="Enhanced"|isbn=978-0-85787-911-0}} * {{cite book|last=Merrett|first=Alan|year=2007|editor1-last=Kyme|editor1-first=Nick|editor2-last=Ralphs|editor2-first=Matt|title=Collected visions: iconic images of the imperium, betrayal and war|type=print|others=Cover art & illustrations by Games Workshop staff artists & designers; includes short stories by ]; illustrations by ] staff artists|series=Horus Heresy {{interp|art book series}}|volume=1–4|publisher=Black Library|location=Nottingham, UK|edition=omnibus|isbn=978-1-84416-424-0|name-list-style=amp}}
* {{cite encyclopedia|ref={{harvid|NT (Neil Tringham)|2012}}|author=NT {{interp|Neal Tringham}}|date=May 27, 2012|editor1-last=Clute|editor1-first=John|editor2-last=Nicholls|editor2-first=Peter|contribution=Interactive Narrative|contribution-url=http://www.sf-encyclopedia.com/entry/interactive_narrative|encyclopedia=]|type=]|publisher=]|location=London|archive-url=https://www.webcitation.org/6C36sK088?url=http://www.sf-encyclopedia.com/entry/interactive_narrative|archive-date=November 9, 2012|url-status=live|access-date=July 10, 2012|editor1-link=John Clute|editor2-link=Peter Nicholls (writer)|name-list-style=amp}}
* {{cite book|ref={{harvid|McNeill|2012b-3}}|last=McNeill|first=Graham|year=2012b-3|booktitle=Angel exterminatus: flesh and iron|type=e&#8209;audiobook|format=MP3|others=Read by David Timpson|series=Horus Heresy {{interp|book series}}|volume=23|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-639-3|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|McNeill|&#91;2012&#93; 2013a-1}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2013a-1|origyear=<nowiki />] published 2012|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-912-7|postscript=none}}] {{cite book|ref={{harvid|McNeill|&#91;2012&#93; 2013a-2}}|last=McNeill|first=Graham|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2013a-2|origyear=<nowiki />] published 2012|type=print|format=trade paperback|others=Cover art by Neil Roberts|edition=1st UK trade|isbn=978-1-84970-359-8}}
* {{cite web|ref={{harvid|Perrin et al.|2011}}|author=Perrin {{interp|]}}|display-authors=etal|date=November 16, 2011|title=Best Horus Heresy cover-art ever, In my opinion|url=http://www.bolterandchainsword.com/index.php?showtopic=242061|work=The Bolter and Chainsword|type=online discussion site|publisher=David Johnston|location=], UK|at=Forum: The Horus Heresy|id={{interp|] id}} 242061|archive-url=https://www.webcitation.org/66vU2yUP7?url=http://www.bolterandchainsword.com/index.php?showtopic=242061|archive-date=April 14, 2012|url-status=live|access-date=April 13, 2012|postscript=. {{interp|Partial archive}}.}}
* {{cite news|ref=harv|last=McNish|first=Cliff|date=19 May 2011|article=Cliff McNish's top 10 most frightening books for teenagers|url=http://www.guardian.co.uk/childrens-books-site/2011/may/19/cliff-mcnish-top-10?CMP=twt_gu|work=]|type=online news resource|publisher=]|location=London|edition=US|at=§&nbsp;"6. Legion by Dan Abnett"|oclc=60623878|archiveurl=http://www.webcitation.org/6C36gkNNH|archivedate=2012-11-09|deadurl=no|accessdate=2012-10-19|authorlink=Cliff McNish}}
* {{cite journal|last=Porush|first=David|date=November 1991|orig-year=originally in print edition; unspecified online pub. date|title=Prigogine, Chaos, and Contemporary Science Fiction|url=http://www.depauw.edu/sfs/backissues/55/porush55art.htm|journal=]|publisher=SF-TH|location=]|edition=online|volume=18|issue=55|at=Part 3|issn=0091-7729|archive-url=https://web.archive.org/web/20130224063003/http://www.depauw.edu/sfs/backissues/55/porush55art.htm|archive-date=February 24, 2013|url-status=live|access-date=July 10, 2012}}
* {{cite book|ref=harv|last=Merrett|first=Alan|year=2007|editor1-last=Kyme|editor1-first=Nick|editor2-last=Ralphs|editor2-first=Matt|booktitle=Collected visions: iconic images of the imperium, betrayal and war|type=print|format=hardcover|others=Cover art & illustrations by Games Workshop staff artists & designers; includes short stories by ]; illustrations by ] staff artists|series=Horus Heresy {{interp|art book series}}|volume=1–4|publisher=Black Library|location=Nottingham, UK|edition=omnibus|isbn=978-1-84416-424-0|lastauthoramp=y}}
* {{cite encyclopedia|ref={{harvid|Horus Heresy (book series)|2006–2013}}|author=<!-- Staff writer(s); unsigned/unattributed. -->|title=Horus Rising|contribution={{interp|Preamble:}} The Horus Heresy{{spnd}} It is a time of legend"; "§&nbsp;]|work=Horus Heresy|type=audio; digital; print|others=Various ] & ]|series={{interp|Book series}}|volume='''1–9, 11–15, 17–24'''<!-- Bolded for consistency -->|publisher=]|location=]|date=2006–2013|edition=1st UK|at=; ]|isbn=978-1-84416-294-9|id={{interp|Book&nbsp;1 {{harv|Abnett|2006}}}}<!-- No "set"-ISBN or ISSN -->|url=https://archive.org/details/horusrisingtheho00dana/page/}}
* {{cite encyclopedia|ref={{harvid|NT (Neil Tringham)|2012}}|author=NT {{interp|Neal Tringham}}|date=27 May 2012|editor1-last=Clute|editor1-first=John|editor2-last=Nicholls|editor2-first=Peter|article=Interactive Narrative|url=http://www.sf-encyclopedia.com/entry/interactive_narrative|encyclopedia=]|type=]|publisher=]|location=London|archiveurl=http://www.webcitation.org/6C36sK088|archivedate=2012-11-09|deadurl=no|accessdate=2012-07-10|editor1-link=John Clute|editor2-link=Peter Nicholls (writer)|lastauthoramp=y}}
* {{cite journal|last=Reid|first=Calvin|date=June 28, 2004|title=BL Publishing Debuts Imprint|journal=]|volume=251|issue=26|page=14|publisher=PWxyz|location=New York|issn=0000-0019|author-link=Calvin Reid}}
* {{cite web|ref={{harvid|Perrin et al.|2011}}|author=Perrin {{interp|]}} et al.|date=16 November 2011|title=Best Horus Heresy cover-art ever, In my opinion|url=http://www.bolterandchainsword.com/index.php?showtopic=242061|website=The Bolter and Chainsword|type=online discussion site|publisher=David Johnston|location=], UK|at="Forum: The Horus Heresy"|id={{interp|] id}} 242061|archiveurl=http://www.webcitation.org/66vU2yUP7|archivedate=2012-04-14|deadurl=no|accessdate=2012-04-13|postscript=.&#32;{{interp|Partial archive}}.}}
* {{cite book|last=Reynolds|first=Anthony|year=2012|title=Word bearers omnibus|type=print|others=Cover art by ]|publisher=Black Library|location=Nottingham, UK|edition=omnibus|isbn=978-1-84970-104-4}}
* {{cite journal|ref=harv|last=Porush|first=David|month=November|year=1991|origyear=originally in print edition; unspecified online pub. date|article=Prigogine, Chaos, and Contemporary Science Fiction|url=http://www.depauw.edu/sfs/backissues/55/porush55art.htm|journal=]|publisher=SF-TH|location=]|edition=online|volume=18|issue=55|at=Part 3|issn=0091-7729|archiveurl=http://www.webcitation.org/6C3769DO4|archivedate=2012-11-09|deadurl=no|accessdate=2012-07-10}}
* {{cite book|last=Reynolds|first=Anthony|year=2013|title=Dark heart|type=e‑book short|series=Horus Heresy {{interp|short stories}}|publisher=Black Library|location=Nottingham, UK|isbn=978-1-78251-013-0|author-mask=2}}
* {{cite encyclopedia|ref={{harvid|Horus Heresy (book series)|2006–2013}}|author=<!-- Staff writer(s); unsigned/unattributed. -->|contribution={{interp|Preamble:}} The Horus Heresy{{spnd}} It is a time of legend"; "§&nbsp;]|work=Horus Heresy|type=audio; digital; print|others=Various ] & ]|series={{interp|Book series}}|volume='''1–9, 11–15, 17–24'''<!-- Bolded for consistency -->|publisher=]|location=]|publication-date=2006–2013|edition=1st UK|at=]; ]|id=ISBN 978-1-84416-294-9 {{interp|Book&nbsp;1 {{harv|Abnett|2006}}}}<!-- No "set"-ISBN or ISSN -->}}
* {{cite web|ref={{harvid|Rhoads|WordTipping}}|last=Rhoads|first=Eric|title=WordTipping: Fantasy and Science Fiction book reviews and opinions – Spoilers|url=http://www.wordtipping.com/|work=wordtipping.com|type=blog|publisher=Self-published|location=]|access-date=October 21, 2012|archive-date=July 14, 2012|archive-url=https://web.archive.org/web/20120714224751/http://www.wordtipping.com/|url-status=live}}
* {{cite journal|ref=harv|last=Reid|first=Calvin|date=28 June 2004|article=BL Publishing Debuts Imprint|journal=]|volume=251|issue=26|page=14|publisher=PWxyz|location=New York|issn=0000-0019|authorlink=Calvin Reid}}
** {{cite web|last=Rhoads|first=Eric|display-authors=0|date=December 5, 2010|title=The Horus Heresy – Black Library's Challenge|url=http://www.wordtipping.com/2010/12/horus-heresy-black-librarys-challenge.html|archive-url=https://web.archive.org/web/20120104111657/http://www.wordtipping.com/2010_12_01_archive.html|archive-date=January 4, 2012|url-status=live|access-date=October 21, 2012|postscript=. {{interp|Archived copy included in multipage archive}}.}}
* {{cite book|ref=harv|last=Reynolds|first=Anthony|year=2012|booktitle=Word bearers omnibus|type=print|format=trade paperback|others=Cover art by ]|series=Word Bearers|publisher=Black Library|location=Nottingham, UK|edition=omnibus|isbn=978-1-84970-104-4}}
** {{cite web|ref={{harvid|Rhoads|2011a}}|last=Rhoads|first=Eric|display-authors=0|date=March 2, 2011|title=Horus Heresy: The Difficulty of Reviewing this series|url=http://www.wordtipping.com/2011/03/horus-heresy-difficulty-of-reviewing.html|archive-url=https://web.archive.org/web/20110926035801/http://www.wordtipping.com/2011/03/horus-heresy-difficulty-of-reviewing.html|archive-date=September 26, 2011|url-status=live|access-date=March 16, 2012}}
* {{cite ebook|ref=harv|last=Reynolds|first=Anthony|year=2013|booktitle=Dark heart|type=e&#8209;book short|format=EPUB; mobi|series=Horus Heresy {{interp|short stories}}|publisher=Black Library|location=Nottingham, UK|isbn=978-1-78251-013-0|author-mask=2}}
* {{cite web|ref={{harvid|Rhoads|WordTipping}}|last=Rhoads|first=Eric|title=WordTipping: Fantasy and Science Fiction book reviews and opinions - Spoilers|url=http://www.wordtipping.com/|website=wordtipping.com|type=blog|publisher=Self-published|location=]|accessdate=2012-10-21}} ** {{cite web|ref={{harvid|Rhoads 2011b}}|last=Rhoads|first=Eric|display-authors=0|date=April 18, 2011|title=Horus Rising by Dan Abnett|url=http://www.wordtipping.com/2011/04/horus-rising-by-dan-abnett-book-review.html|archive-url=https://web.archive.org/web/20111113112421/http://www.wordtipping.com/2011/04/horus-rising-by-dan-abnett-book-review.html|archive-date=November 13, 2011|url-status=live|access-date=December 6, 2012}}
** {{cite web|ref={{harvid|Rhoads|2010}}|last=Rhoads|first=Eric|displayauthors=0|date=5 December 2010|title=The Horus Heresy - Black Library's Challenge|url=http://www.wordtipping.com/2010/12/horus-heresy-black-librarys-challenge.html|archiveurl=http://web.archive.org/web/20120104111657/http://www.wordtipping.com/2010_12_01_archive.html|archivedate=2012-01-04|deadurl=no|accessdate=2012-10-21|postscript=.&#32;{{interp|Archived copy included in multipage archive}}.}} ** {{cite web|last=Rhoads|first=Eric|display-authors=0|date=July 23, 2012|title=Flight of the Eisenstein by James Swallow|url=http://www.wordtipping.com/2012/07/flight-of-eisenstein-by-james-swallow.html|access-date=October 5, 2012|archive-date=May 2, 2013|archive-url=https://web.archive.org/web/20130502173618/http://www.wordtipping.com/2012/07/flight-of-eisenstein-by-james-swallow.html|url-status=live}}
* {{cite sign|ref={{harvid|Roberts et al.|2006–2013}}|last1=Roberts|first1=Neil|year=2006–2013|title=Horus Heresy|medium=CD; downloadable media; print|others=Various ]|series={{interp|Book series}}|volume=1–24|publisher=Black Library|location=Nottingham, UK|edition=all|at= (paperback); body matter ]|isbn=978-1-84416-294-9|id={{interp|Book&nbsp;1 {{harv|Abnett|2006}}}}<!-- No "set"-ISBN or ISSN -->|author-link2=#Contributors|display-authors=etal|url=https://archive.org/details/horusrisingtheho00dana/page/}}
** {{cite web|ref={{harvid|Rhoads|2011a}}|last=Rhoads|first=Eric|displayauthors=0|date=2 March 2011|title=Horus Heresy: The Difficulty of Reviewing this series|url=http://www.wordtipping.com/2011/03/horus-heresy-difficulty-of-reviewing.html|archiveurl=http://web.archive.org/web/20110926035801/http://www.wordtipping.com/2011/03/horus-heresy-difficulty-of-reviewing.html|archivedate=2011-09-26|deadurl=no|accessdate=2012-03-16}}
* {{cite journal|ref={{harvid|Royle et al.|1999}}|last1=Royle|first1=Jo|last2=Cooper|first2=Lousis |last3=Stockdale|first3=Rosemary| date=December 1999 |title=The use of branding by trade publishers|journal=Publishing Research Quarterly|volume=15|issue=4|pages=3–13|publisher=]|location=New York|issn=1053-8801|doi=10.1007/s12109-999-0031-1|s2cid=154373961 }}
** {{cite web|ref={{harvid|Rhoads|2011b}}|last=Rhoads|first=Eric|displayauthors=0|date=18 April 2011|title=Horus Rising by Dan Abnett|url=http://www.wordtipping.com/2011/04/horus-rising-by-dan-abnett-book-review.html|archiveurl=http://web.archive.org/web/20111113112421/http://www.wordtipping.com/2011/04/horus-rising-by-dan-abnett-book-review.html|archivedate=2011-11-13|deadurl=no|accessdate=2012-12-06}}
* {{cite web|last=Rudden|first=David|title=Horus Heresy: The First Heretic by Aaron Dembski-Bowden. Book review|url=http://www.britishfantasysociety.co.uk/reviews/horus-heresy-the-first-heretic-by-aaron-dembski-bowden-book-review/|work=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|date=July 16, 2012|archive-url=https://web.archive.org/web/20120908120852/http://www.britishfantasysociety.co.uk/reviews/horus-heresy-the-first-heretic-by-aaron-dembski-bowden-book-review/|archive-date=September 8, 2012|url-status=live|access-date=September 13, 2012}}
** {{cite web|ref={{harvid|Rhoads|2012}}|last=Rhoads|first=Eric|displayauthors=0|date=23 July 2012|title=Flight of the Eisenstein by James Swallow|url=http://www.wordtipping.com/2012/07/flight-of-eisenstein-by-james-swallow.html|accessdate=2012-10-05}}
* {{cite journal|last=Rundle|first=James|date=February 18, 2010|title=Interview: Dan Abnett|url=http://www.scifinow.co.uk/interviews/8556/interview-dan-abnett/|department=Books|journal=]|publisher=]|location=Bournemouth, UK|edition=online|issn=1753-3147|archive-url=https://web.archive.org/web/20120114164045/http://www.scifinow.co.uk/interviews/interview-dan-abnett/|archive-date=January 14, 2012|url-status=live|access-date=January 2, 2013}}{{webarchive |format=addlpages|date=October 26, 2014|url=https://web.archive.org/web/20141026164640/http://www.scifinow.co.uk/interviews/8556/interview-dan-abnett/2/|title=Page 2}}
* {{cite sign|ref={{harvid|Roberts et al.|2006–2013}}|last1=Roberts|first1=Neil|last2=et al.|year=2006–2013|title=Horus Heresy|format=cover art; illustrations; map|medium=CD; downloadable media; print|others=Various ]|series={{interp|Book series}}|volume=1–24|publisher=Black Library|location=Nottingham, UK|edition=all|at=Front cover (all media); booklet (CD); p.&nbsp;1, ] (] paperback); body matter (] ed. media)|id=ISBN 978-1-84416-294-9 {{interp|Book&nbsp;1 {{harv|Abnett|2006}}}}<!-- No "set"-ISBN or ISSN -->|authorlink2=#Contributors|author-separator=}}
* {{cite journal|last=Sanders|first=Rob|date=February 2011|orig-year=also in {{harvnb|Dunn|2011-2}}|editor-last=Dunn|editor-first=Christian|title=Iron Within|journal=Hammer and Bolter|issue=5|type=e-magazine|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-995-0}}
* {{cite journal|ref={{harvid|Royle et al.|1999}}|last1=Royle|first1=Jo|last2=Cooper|first2=Lousis |last3=Stockdale|first3=Rosemary|month=December|year=1999|article=The use of branding by trade publishers|journal=Publishing Research Quarterly|volume=15|issue=4|pages=3–13|publisher=]|publication-place=New York|issn=1053-8801}}
* {{cite book|last=Scanlon|first=Mitchel|year=2007|title=Descent of Angels: Loyalty and Honour|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=6|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-508-7|postscript=none}};; {{cite book|last=Scanlon|first=Mitchel|display-authors=0|title= Descent of Angels: Loyalty and Honour |year=2010|publisher=Black Library |type=e‑book|isbn=978-0-85787-029-2}}
* {{cite web|ref={{harvid|Rudden|2012}}|last=Rudden|first=David|title=Horus Heresy: The First Heretic by Aaron Dembski-Bowden. Book review|url=http://www.britishfantasysociety.co.uk/reviews/horus-heresy-the-first-heretic-by-aaron-dembski-bowden-book-review/|website=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|publication-date=16 July 2012|archiveurl=http://www.webcitation.org/6C37F1Jd4|archivedate=2012-11-09|deadurl=no|accessdate=2012-09-13}}
* {{cite book|ref={{harvid|Series authors|2011}}|year=2011|author={{interp|]}}|title=The Horus Heresy ebundle|type=e‑book|series=Horus Heresy {{interp|book series}}|volume=1–17|publisher=Black Library|location=Nottingham, UK|edition=Xmas 2011 eBundle|isbn=978-0-85787-497-9}}
* {{cite magazine|ref=harv|last=Rundle|first=James|date=18 February 2010|article=Interview: Dan Abnett|url=http://www.scifinow.co.uk/interviews/8556/interview-dan-abnett/|department=Books|magazine=]|publisher=]|location=Bournemouth, UK|edition=online|issn=1753-3147|archiveurl=http://www.webcitation.org/6C37PQJfV|archivedate=2012-11-09|deadurl=no|accessdate=2013-01-02|postscript=.&#32;{{Cite additional archived pages|date=2013-01-02|http://www.webcitation.org/6DNCNZQCA|2}}&#32;{{interp|Partial archive}}.}}
* {{cite web|last=Scholes|first=Sandra|title=Horus Rising by Dan Abnett. Book review|url=http://www.britishfantasysociety.co.uk/reviews/horus-rising-by-dan-abnett-book-review-2/|work=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|date=March 6, 2013|archive-url=https://web.archive.org/web/20130308134935/http://www.britishfantasysociety.co.uk/reviews/horus-rising-by-dan-abnett-book-review-2/|archive-date=March 8, 2013|url-status=live|access-date=March 12, 2013}}
* {{cite magazine|ref=harv|last=Sanders|first=Rob|month=February|year=2011|origyear=also in {{harvnb|Dunn|2011-2}}|editor-last=Dunn|editor-first=Christian|contribution=Iron Within|magazine=Hammer and Bolter|issue=5|type=e-magazine|format=EPUB; mobi|publisher=Black Library|location=Nottingham, UK|isbn=978-0-85787-995-0}}
* {{cite web|last=Sharps|first=Nick|date=August 9, 2012|title=Book Review: Fear to Tread by James Swallow|url=http://www.sfsignal.com/archives/2012/08/book-review-fear-to-tread-by-james-swallow/|work=SF Signal|type=]|publisher=SFSignal.com|location=]|archive-url=https://web.archive.org/web/20120813041316/http://www.sfsignal.com/archives/2012/08/book-review-fear-to-tread-by-james-swallow/|archive-date=August 13, 2012|url-status=live|access-date=August 31, 2012}}
* {{cite book|ref=harv|last=Scanlon|first=Mitchel|year=2007|booktitle=Descent of angels: loyalty and honour|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=6|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-508-7|postscript=none}}] {{cite ebook|ref={{harvid|Scanlon|2010}}|last=Scanlon|first=Mitchel|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-029-2}}
* {{cite web|last=Sharps|first=Nick|date=January 7, 2013|title=Book Review: Betrayer by Aaron Dembski-Bowden|url=http://www.sfsignal.com/archives/2013/01/book-review-betrayer-by-aaron-dembski-bowden/|work=SF Signal|type=webzine|publisher=SFSignal.com|location=Vancouver, Washington|archive-url=https://web.archive.org/web/20130321202645/http://www.sfsignal.com/archives/2013/01/book-review-betrayer-by-aaron-dembski-bowden/|archive-date=March 21, 2013|url-status=live|access-date=March 19, 2013|author-mask=2}}
* {{cite ebook|ref={{harvid|Series authors|2011}}|year=2011|author={{interp|]}}|booktitle=The Horus Heresy ebundle|type=e&#8209;book|format=EPUB; mobi|series=Horus Heresy {{interp|book series}}|volume=1–17|publisher=Black Library|location=Nottingham, UK|edition="Xmas 2011 eBundle"|isbn=978-0-85787-497-9}}
* {{cite web|ref={{harvid|Scholes|2013}}|last=Scholes|first=Sandra|title=Horus Rising by Dan Abnett. Book review|url=http://www.britishfantasysociety.co.uk/reviews/horus-rising-by-dan-abnett-book-review-2/|website=britishfantasysociety.org|publisher=British Fantasy Society|location=UK|publication-date=6 March 2013|archiveurl=http://www.webcitation.org/6F4OK4YMF|archivedate=2013-03-12|deadurl=no|accessdate=2013-03-12}} * {{cite web|last=Sobel|first=Phillip|date=March 2010|title=A Thousand Sons by Graham McNeill – review|url=http://www.boomtron.com/2010/03/a-thousand-sons-by-graham-mcneill-review|work=Boomtron|type=webzine|publisher=David Comery|location=]|archive-url=https://web.archive.org/web/20120310092937/http://www.boomtron.com/2010/03/a-thousand-sons-by-graham-mcneill-review/|archive-date=March 10, 2012|url-status=dead|access-date=March 12, 2012}}
* {{cite encyclopedia|last=Stableford|first=Brian|year=2006|title=Chaos|url=https://books.google.com/books?id=uefwmdROKTAC&pg=PA79|encyclopedia=]|type=print|location=London & New York|edition=1st|pages=79–80|isbn=978-0-415-97460-8|access-date=April 23, 2013|author-link=Brian Stableford|postscript=.&nbsp;{{interp|Online access subject to Google Books-imposed limits}}.|archive-date=January 5, 2022|archive-url=https://web.archive.org/web/20220105230413/https://books.google.com/books?id=uefwmdROKTAC&pg=PA79|url-status=live}}
* {{cite web|ref=harv|last=Sharps|first=Nick|date=9 August 2012|title=Book Review: Fear to Tread by James Swallow|url=http://www.sfsignal.com/archives/2012/08/book-review-fear-to-tread-by-james-swallow/|website=SF Signal|type=]|publisher=SFSignal.com|location=]|archiveurl=http://www.webcitation.org/6C38WGB1w|archivedate=2012-11-09|deadurl=no|accessdate=2012-08-31}}
* {{cite journal|last=Stone|first=Philip|date=September 26, 2008|title=Packing a punch|department= Independent Publishers {{interp|special section}}|journal=]|publisher=Bookseller Media|location=London|issue=5351|pages=S6–S7|issn=0006-7539}}
* {{cite web|ref=harv|last=Sharps|first=Nick|date=7 January 2013|title=Book Review: Betrayer by Aaron Dembski-Bowden|url=http://www.sfsignal.com/archives/2013/01/book-review-betrayer-by-aaron-dembski-bowden/|website=SF Signal|type=webzine|publisher=SFSignal.com|location=Vancouver, Washington|archiveurl=http://www.webcitation.org/6FF3G97e1|archivedate=2013-03-19|deadurl=no|accessdate=2013-03-19|author-mask=2}}
* {{cite journal|last=Stone|first=Philip|date=September 25, 2009|title=Small but strong|department=Independent Publishers {{interp|special section}}|journal=]|publisher=Bookseller Media|location=London|issue=5401|pages=S6–S7|issn=0006-7539|author-mask=2}}
* {{cite web|ref=harv|last=Sobel|first=Phillip|month=March|year=2010|title=A Thousand Sons by Graham McNeill{{spnd}} review|url=http://www.boomtron.com/2010/03/a-thousand-sons-by-graham-mcneill-review|website=Boomtron|type=webzine|publisher=David Comery|location=]|archiveurl=http://www.webcitation.org/66GJXQRLk|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-12}}
* {{cite journal|ref={{harvid|Stone|2011a}}|last=Stone|first=Philip|date=May 13, 2011|title=Mixed business|journal=]|publisher=Bookseller Media|location=London|issue=5480|page=24|issn=0006-7539|author-mask=2}}
* {{cite encyclopedia|ref=harv|last=Stableford|first=Brian|year=2006|article=Chaos|url=http://books.google.com/books?id=uefwmdROKTAC&lpg=PP1&pg=PA79|encyclopedia=Science fact and science fiction: an encyclopedia|type=print|publisher=]; ] {{interp|web preview}}|location=London & New York|edition=1st|pages=79–80|isbn=978-0-41597-460-8|accessdate=2013-04-23|authorlink=Brian Stableford|postscript=.&nbsp;{{interp|Online access subject to Google Books-imposed limits}}.}}
* {{cite journal|ref=harv|last=Stone|first=Philip|date=26 September 2008|article=Packing a punch|department= Independent Publishers {{interp|special section}}|journal=]|publisher=Bookseller Media|location=London|issue=5351|pages=S6–S7|issn=0006-7539}} * {{cite journal|ref={{harvid|Stone 2011b}}|last=Stone|first=Philip|date=September 16, 2011|title=Listening post|journal=]|publisher=Bookseller Media|location=London|issue=5496|pages=28–29|issn=0006-7539|author-mask=2}}
* {{cite book|last=Swallow|first=James|year=2007|title=The flight of the Eisenstein: the heresy unfolds|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=4|publisher=Black Library|edition=1st UK|location=Nottingham, UK|isbn=978-1-84416-459-2|author-link=James Swallow|postscript=none}};; {{cite book|last=Swallow|first=James|display-authors=0|title=The flight of the Eisenstein: the heresy unfolds|year=2010a|publisher=Black Library |type=e‑book|isbn=978-0-85787-026-1|postscript=none}};; {{cite book|last=Swallow|first=James|display-authors=0|title=The flight of the Eisenstein: the heresy unfolds |year=2012b|type=e‑audiobook|others=Read by Jonathan Keeble|edition=unabridged|isbn=978-0-85787-962-2}}
* {{cite journal|ref=harv|last=Stone|first=Philip|date=25 September 2009|article=Small but strong|department=Independent Publishers {{interp|special section}}|journal=]|publisher=Bookseller Media|location=London|issue=5401|pages=S6–S7|issn=0006-7539|author-mask=2}}
* {{cite book|ref={{harvid|Swallow 2010b-1}}|last=Swallow|first=James|year=2010 |title=Nemesis: war within the shadows|type=print|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=13|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-868-2|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Swallow 2010b-2}}|last=Swallow|first=James|display-authors=0|title=Nemesis: war within the shadows|year=2010 |publisher=Black Library |type=e‑book|isbn=978-0-85787-052-0}}
* {{cite journal|ref={{harvid|Stone|2011a}}|last=Stone|first=Philip|date=13 May 2011|article=Mixed business|journal=]|publisher=Bookseller Media|location=London|issue=5480|page=24|issn=0006-7539|author-mask=2}}
* {{cite book|ref={{harvid|Swallow 2012a-1}}|last=Swallow|first=James|year=2012 |title=Fear to tread: the angel falls|type=e‑audiobook|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=21|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-803-8|author-mask=2|postscript=none}};; {{cite book|ref={{harvid|Swallow 2012a-2}}|last=Swallow|first=James|display-authors=0|title=Fear to tread: the angel falls|year=2012 |publisher=Black Library |type=e‑book|isbn=978-0-85787-772-7|postscript=none}};; {{cite book|ref={{harvid|Swallow 2012a-3}}|last=Swallow|first=James|display-authors=0|title=Fear to tread: the angel falls |year=2012 |type=print|others=Cover art & illustration by Neil Roberts|publisher=Games Workshop |edition=1st UK|isbn=978-1-84970-195-2}}
* {{cite journal|ref={{harvid|Stone|2011b}}|last=Stone|first=Philip|date=16 September 2011|article=Listening post|journal=]|publisher=Bookseller Media|location=London|issue=5496|pages=28–29|issn=0006-7539|author-mask=2}}
* {{cite mailing list|ref={{harvid|Internet Bookwatch|2012}}|author=<!--Staff writer(s); no by-line.-->|date=February 2012|title=The Audiobook Shelf|mailing-list=Internet Bookwatch|url=http://www.midwestbookreview.com/ibw/feb_12.htm#Audiobook|publisher=]|location=]|edition=webzine|at="Galaxy in Flames"|archive-url=https://web.archive.org/web/20121005060711/http://midwestbookreview.com/ibw/feb_12.htm|archive-date=October 5, 2012|url-status=live|access-date=February 24, 2013}}
* {{cite book|ref=harv|last=Swallow|first=James|year=2007|booktitle=The flight of the Eisenstein: the heresy unfolds|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=4|publisher=Black Library|edition=1st UK|location=Nottingham, UK|isbn=978-1-84416-459-2|authorlink=James Swallow|postscript=none}}] {{cite ebook|ref={{harvid|Swallow|2010a}}|last=Swallow|first=James|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010a|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-026-1|postscript=none}}] {{cite book|ref={{harvid|Swallow|2012b}}|last=Swallow|first=James|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012b|type=e&#8209;audiobook|format=MP3|others=Read by Jonathan Keeble|edition=unabridged|isbn=978-0-85787-962-2}}
* {{cite web|ref={{harvid|The Black Library Team|"Blog"}}|author=The Black Library Team {{interp|]s}}|title=The Black Library Blog|url=http://www.blacklibrary.com/Blog|work=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|access-date=October 18, 2012|archive-url=https://web.archive.org/web/20121017120242/http://www.blacklibrary.com/Blog|archive-date=October 17, 2012|url-status=dead}}
* {{cite book|ref={{harvid|Swallow|2010b-1}}|last=Swallow|first=James|year=2010b-1|booktitle=Nemesis: war within the shadows|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|series=Horus Heresy {{interp|book series}}|volume=13|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84416-868-2|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Swallow|2010b-2}}|last=Swallow|first=James|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2010b-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-052-0}}
** {{cite web|ref={{harvid|The Black Library Team|2010}}|author=The Black Library Team {{interp|]s}}|display-authors=0|date=September 14, 2010|title=Black Library at Games Day – Update|url=http://www.blacklibrary.com/Blog/games-day-2010-update.html|archive-url=https://web.archive.org/web/20120319224955/http://www.blacklibrary.com/Blog/games-day-2010-update.html|archive-date=March 19, 2012|url-status=dead|access-date=May 10, 2013}}
* {{cite book|ref={{harvid|Swallow|2012a-1}}|last=Swallow|first=James|year=2012a-1|booktitle=Fear to tread: the angel falls|type=e&#8209;audiobook|format=MP3|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=21|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-85787-803-8|author-mask=2|postscript=none}}] {{cite ebook|ref={{harvid|Swallow|2012a-2}}|last=Swallow|first=James|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-772-7|postscript=none}}] {{cite book|ref={{harvid|Swallow|2012a-3}}|last=Swallow|first=James|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-195-2}}
** {{cite web|ref={{harvid|The Black Library Team|2011}}|author=The Black Library Team {{interp|]s}}|display-authors=0|date=March 3, 2011|title=The seeds of heresy are being re-sown|url=http://www.blacklibrary.com/Blog/the-seeds-of-heresy-are-being-resown.html|archive-url=https://web.archive.org/web/20120319232322/http://www.blacklibrary.com/Blog/the-seeds-of-heresy-are-being-resown.html|archive-date=March 19, 2012|url-status=dead|access-date=October 18, 2012}}
* {{cite mailing list|ref={{harvid|Internet Bookwatch|2012}}|author=<!-- Staff writer(s); no by-line.-->|month=February|year=2012|title=The Audiobook Shelf|mailinglist=Internet Bookwatch|url=http://www.midwestbookreview.com/ibw/feb_12.htm#Audiobook|volume<!-- includes unavailable "issue" -->=22 '''(2)'''|publisher=]|location=]|edition=webzine|at=¶&nbsp;"Galaxy in Flames"|archiveurl=http://www.webcitation.org/6Eg8Qo92T|archivedate=2013-02-24|deadurl=no|accessdate=2013-02-24}}
* {{cite web|ref={{harvid|The Black Library Team|"Blog"}}|author=The Black Library Team {{interp|]s}}|title=The Black Library Blog|url=http://www.blacklibrary.com/Blog|website=blacklibrary.com|publisher=Games Workshop|location=Nottingham, UK|accessdate=2012-10-18}} ** {{cite web|ref={{harvid|The Black Library Team|2012a}}|author=The Black Library Team {{interp|]s}}|display-authors=0|date=April 19, 2012|title=Hell's Angels|url=http://www.blacklibrary.com/Blog/Hells-Angels.html|archive-url=https://web.archive.org/web/20120422061625/http://www.blacklibrary.com/Blog/Hells-Angels.html|archive-date=April 22, 2012|url-status=dead|access-date=April 26, 2012}}
** {{cite web|ref={{harvid|The Black Library Team|2010}}|author=The Black Library Team {{interp|]s}}|displayauthors=0|date=14 September 2010|title=Black Library at Games Day - Update|url=http://www.blacklibrary.com/Blog/games-day-2010-update.html|archiveurl=http://web.archive.org/web/20120319224955/http://www.blacklibrary.com/Blog/games-day-2010-update.html|archivedate=2012-03-19|deadurl=no|accessdate=2013-05-10}} ** {{cite web|ref={{harvid|The Black Library Team|2012b}}|author=The Black Library Team {{interp|]s}}|display-authors=0|date=September 22, 2012|title=Hard Back Heresy|url=http://www.blacklibrary.com/Blog/Hard_Back_Heresy.html|archive-url=https://web.archive.org/web/20121031194444/http://www.blacklibrary.com/Blog/Hard_Back_Heresy.html|archive-date=October 31, 2012|url-status=dead|access-date=September 23, 2012}}
** {{cite web|ref={{harvid|The Black Library Team|2011}}|author=The Black Library Team {{interp|]s}}|displayauthors=0|date=3 March 2011|title=The seeds of heresy are being re-sown|url=http://www.blacklibrary.com/Blog/the-seeds-of-heresy-are-being-resown.html|archiveurl=http://web.archive.org/web/20120319232322/http://www.blacklibrary.com/Blog/the-seeds-of-heresy-are-being-resown.html|archivedate=2012-03-19|deadurl=no|accessdate=2012-10-18}} ** {{cite web|ref={{harvid|The Black Library Team|2013}}|author=The Black Library Team {{interp|]s}}|display-authors=0|date=March 12, 2013|title=What one's right for me?|url=http://www.blacklibrary.com/Blog/what-ones-right-for-me.html|archive-url=https://www.webcitation.org/6GGw91y7j?url=http://www.blacklibrary.com/Blog/what-ones-right-for-me.html|archive-date=April 30, 2013|url-status=dead|access-date=April 30, 2013|postscript=.&nbsp;{{interp|Archived copy may not be fully legible, and is provided as ] only}}.}}
** {{cite web|ref={{harvid|The Black Library Team|2012a}}|author=The Black Library Team {{interp|]s}}|displayauthors=0|date=19 April 2012|title=Hell's Angels|url=http://www.blacklibrary.com/Blog/Hells-Angels.html|archiveurl=http://web.archive.org/web/20120422061625/http://www.blacklibrary.com/Blog/Hells-Angels.html|archivedate=2012-04-22|deadurl=no|accessdate=2012-04-26}} * {{cite web|ref={{harvid|Horus Heresy Online|"The Characters"}}|author=<!--Staff writer(s); no by-line.-->|title=The Characters of the Horus Heresy|url=http://www.thehorusheresy.com/the-characters/|work=thehorusheresy.com|publisher=Games Workshop|location=Nottingham, UK|archive-url=https://web.archive.org/web/20130103013732/http://www.thehorusheresy.com/the-characters/|archive-date=January 3, 2013|url-status=dead|access-date=March 21, 2012}}
* {{cite book|ref={{harvid|Thorpe 2012a-1}}|last=Thorpe|first=Gav|year=2012 |title=Deliverance Lost: Ghosts of Terra|type=e‑audiobook|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=18|publisher=Black Library|location=Nottingham, UK|edition=unabridged}} ISBN provided by the publisher (978-0-87578-759-11) is invalid.;; {{cite book |ref={{harvid|Thorpe 2012a-2}}|last=Thorpe|first=Gav|display-authors=0|title=Deliverance Lost: Ghosts of Terra|year=2012 |type=e‑book|isbn=978-0-85787-985-1|postscript=none}};; {{cite book |ref={{harvid|Thorpe 2012a-3}}|last=Thorpe|first=Gav|display-authors=0|title=Deliverance Lost: Ghosts of Terra |year=2012 |type=print|others=Cover art & illustration by Neil Roberts |publisher=Black Library |edition=1st UK|isbn=978-1-84970-061-0}}
** {{cite web|ref={{harvid|The Black Library Team|2012b}}|author=The Black Library Team {{interp|]s}}|displayauthors=0|date=22 September 2012|title=Hard Back Heresy|url=http://www.blacklibrary.com/Blog/Hard_Back_Heresy.html|archiveurl=http://web.archive.org/web/20121031194444/http://www.blacklibrary.com/Blog/Hard_Back_Heresy.html|archivedate=2012-10-31|deadurl=no|accessdate=2012-09-23}}
* {{cite journal|ref={{harvid|Thorpe|2012b}}|last=Thorpe|first=Gav| date=February–April 2012 |orig-year=also in {{harvnb|Dunn|2012-2}}|editor-last=Dunn|editor-first=Christian|title=The Lion|journal=Hammer and Bolter|type=e-magazine|publisher=Black Library|location=Nottingham, UK|issue=17–19|isbn=978-0-85787-983-7|author-mask=2|postscript={{interp|]; ISBN is for issue 17}}.}}
** {{cite web|ref={{harvid|The Black Library Team|2013}}|author=The Black Library Team {{interp|]s}}|displayauthors=0|date=12 March 2013|title=What one’s right for me?|url=http://www.blacklibrary.com/Blog/what-ones-right-for-me.html|archiveurl=http://www.webcitation.org/6GGw91y7j|archivedate=2013-04-30|deadurl=no|accessdate=2013-04-30|postscript=.&nbsp;{{interp|Archived copy may not be fully legible, and is provided as ] only}}.}}
* {{cite journal|last=Todd|first=Jenny|date=March 1, 2013|title=Format's {{sic|theor|um}}|journal=]|publisher=Bookseller Media|location=London|issue=5565|page=13|issn=0006-7539}}
* {{cite web|ref={{harvid|Horus Heresy Online|"The Characters"}}|author=<!-- Staff writer(s); no by-line. -->|title=The Characters of the Horus Heresy|url=http://www.thehorusheresy.com/the-characters/|website=thehorusheresy.com|publisher=Games Workshop|location=Nottingham, UK|archiveurl=http://www.webcitation.org/6C38iC9mW|archivedate=2012-11-09|deadurl=no|accessdate=2012-03-21}}
* {{cite web|ref={{harvid|Black Library Facebook Page|2012}}|author=<!-- Black Library staff writer(s); no by-line. -->|date=7 December 2012|title=The Shadow Crusade... {{!}} Facebook|url=https://www.facebook.com/theblacklibrary/posts/397929666948993|website=Black Library {{!}} Facebook|others=Comments by ] users|publisher=Black Library; ]|location=Nottingham, UK|accessdate=2012-12-12}} * {{cite journal|ref={{harvid|Eureka|2011}}|author=<!--Staff writer(s); no by-line.-->|date=March 3, 2011|orig-year=monthly magazine supplement of ''The Times''|title=Top 10 sci-fi & fantasy books for adults|journal=Eureka|issue=18|page=54|publisher=The Times|location=London|issn=0140-0460}}
* {{cite journal|ref={{harvid|Bookseller|2008}}|author=<!--Staff writer(s); no by-line.-->|date=December 5, 2008|title=Top 20 Fiction Heatseekers|journal=]|publisher=Bookseller Media|location=London|issue=5361|page=34|issn=0006-7539}}
* {{cite book|ref={{harvid|Thorpe|2012a-1}}|last=Thorpe|first=Gav|year=2012a-1|booktitle=Deliverance lost: ghosts of Terra|type=e&#8209;audiobook|format=MP3|others=Read by ]|series=Horus Heresy {{interp|book series}}|volume=18|publisher=Black Library|location=Nottingham, UK|edition=unabridged|isbn=978-0-87578-759-11|ignore-isbn-error=y|postscript=&#32;{{sic|expected=isbn-13; 14-digit isbn provided by publisher}}}}] {{cite ebook|ref={{harvid|Thorpe|2012a-2}}|last=Thorpe|first=Gav|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-2|type=e&#8209;book|format=EPUB; mobi|isbn=978-0-85787-985-1|postscript=none}}] {{cite book|ref={{harvid|Thorpe|2012a-3}}|last=Thorpe|first=Gav|displayauthors=0|booktitle=&#32;<!-- See preceding entry -->|year=2012a-3|type=print|format=] paperback|others=Cover art & illustration by Neil Roberts|edition=1st UK|isbn=978-1-84970-061-0}}
* {{cite book|ref={{harvid|Troke et al.|2012}}|last1=Troke|first1=Adam|last2=Vetock|first2=Jeremy|last3=Ward|first3=Mat|year=2012|title=Warhammer 40,000|type=print|others=] by Alex Boyd; ] & reproductions by Games Workshop staff artists & designers; storytext by Alan Merret|series=Warhammer 40,000 rulebooks|publisher=Games Workshop|location=Nottingham, UK|edition=6th|isbn=978-1-907964-79-4|name-list-style=amp|author-link3=Matt Ward (game designer)}}
* {{cite magazine|ref={{harvid|Thorpe|2012b}}|last=Thorpe|first=Gav|month=February–April|year=2012|origyear=also in {{harvnb|Dunn|2012-2}}|editor-last=Dunn|editor-first=Christian|contribution=The Lion|format=EPUB; mobi|magazine=Hammer and Bolter|type=e-magazine|publisher=Black Library|location=Nottingham, UK|issue=17–19|isbn=978-0-85787-983-7|author-mask=2|postscript=&nbsp;{{interp|]; ISBN is for issue 17}}.}}
* {{cite journal|last=Wolff|first=Karl|date=September 6, 2009|title=Book Review: ''Descent of Angels'' (The Horus Heresy, Book 6) by Mitchel Scanlon|url=http://blogcritics.org/books/article/book-review-descent-of-angels-the/|journal=]|type=online magazine|publisher=Technorati|location=San Francisco, California|issn=1936-0649|archive-url=https://www.webcitation.org/66GJeu949?url=http://blogcritics.org/books/article/book-review-descent-of-angels-the/|archive-date=March 18, 2012|url-status=live|access-date=March 9, 2012|postscript=.{{interp|Partial archive}}.}}
* {{cite journal|ref=harv|last=Todd|first=Jenny|date=1 March 2013|article=Format's {{sic|theor|um}}|journal=]|publisher=Bookseller Media|location=London|issue=5565|page=13|issn=0006-7539}}
* {{cite news|last=Wolff|first=Karl|date=April 26, 2011|title=Book Review: Mechanicum (The Horus Heresy, Book Nine) by Graham McNeill|url=http://www.seattlepi.com/lifestyle/blogcritics/article/Book-Review-Mechanicum-The-Horus-Heresy-Book-898033.php|department=Lifestyle: Blogcritics|newspaper=]|type=]|publisher=]|issn=0745-970X|archive-url=https://web.archive.org/web/20141026170847/http://www.seattlepi.com/lifestyle/blogcritics/article/Book-Review-Mechanicum-The-Horus-Heresy-Book-898033.php|archive-date=October 26, 2014|url-status=live|access-date=March 8, 2012|author-mask=2}}
* {{cite magazine|ref={{harvid|Eureka|2011}}|author=<!-- Staff writer(s); no by-line. -->|date=3 March 2011|origyear=monthly magazine supplement of ''The Times''|article=Top 10 sci-fi & fantasy books for adults|magazine=]|issue=18|page=54|publisher=]|location=London|issn=0140-0460}}
* {{cite book|last=Wraight|first=Chris|year=2011|title=Battle of the fang|type=print|others=Cover art by Jon Sullivan; illustrations by ]; maps by Adrian Wood & Chris Wraight|series=Space Marine Battles Novels|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84970-046-7}}
* {{cite journal|ref={{harvid|Bookseller|2008}}|author=<!-- Staff writer(s); no by-line. -->|date=5 December 2008|article=Top 20 Fiction Heatseekers|journal=]|publisher=Bookseller Media|location=London|issue=5361|page=34|issn=0006-7539}}
* {{cite book|ref={{harvid|Troke et al.|2012}}|last1=Troke|first1=Adam|last2=Vetock|first2=Jeremy|last3=Ward|first3=Mat|year=2012|booktitle=Warhammer 40,000|type=print|format=]|others=] by Alex Boyd; ] & reproductions by Games Workshop staff artists & designers; storytext by Alan Merret|series=Warhammer 40,000 rulebooks|publisher=Games Workshop|location=Nottingham, UK|edition=6th|isbn=978-1-90796-479-4|lastauthoramp=y|authorlink3=Matt Ward (game designer)}}
* {{cite magazine|ref=harv|last=Wolff|first=Karl|date=6 September 2009|article=Book Review: ''Descent of Angels'' (The Horus Heresy, Book 6) by Mitchel Scanlon|url=http://blogcritics.org/books/article/book-review-descent-of-angels-the/|magazine=]|type=online magazine|publisher=Technorati|location=San Francisco, California|issn=1936-0649|archiveurl=http://www.webcitation.org/66GJeu949|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-09|postscript=.&#32;{{interp|Partial archive}}.}}
* {{cite news|ref=harv|last=Wolff|first=Karl|date=26 April 2011|article=Book Review: Mechanicum (The Horus Heresy, Book Nine) by Graham McNeill|url=http://www.seattlepi.com/lifestyle/blogcritics/article/Book-Review-Mechanicum-The-Horus-Heresy-Book-898033.php|department=Lifestyle: Blogcritics|newspaper=]|type=]|publisher=]|issn=0745-970X|archiveurl=http://www.webcitation.org/66GJs7a4k|archivedate=2012-03-18|deadurl=no|accessdate=2012-03-08|author-mask=2}}
* {{cite book|ref=harv|last=Wraight|first=Chris|year=2011b|booktitle=Battle of the fang|type=print|format=trade paperback|others=Cover art by Jon Sullivan; illustrations by ]; maps by Adrian Wood & Chris Wraight|series=Space Marine Battles Novels|publisher=Black Library|location=Nottingham, UK|edition=1st UK|isbn=978-1-84970-046-7}}
{{refend}} {{refend}}

=={{anchor|external}}External links<!-- Section linked from within this article -->==
<!-- ATTENTION EDITORS: PLEASE SEE DOCUMENTATION PROJECT WITH RECOMMENDED EDITING PRACTICES AT THE ARTICLE TALK PAGE ]. PLEASE UPDATE THE DOCUMENTATION TO REFLECT YOUR EDITS IF NEEDED. -->
* {{official website|1=http://www.thehorusheresy.com|2=The Horus Heresy}}{{spnd}} Official website published by Games Workshop, includes non-series Horus Heresy material {{link note|note=may be inactive {{As of|2013|04|lc=y}}}}


{{Horus Heresy}} {{Horus Heresy}}


{{DEFAULTSORT:Horus Heresy (Novels)}} {{DEFAULTSORT:Horus Heresy (Novels)}}
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Latest revision as of 16:33, 18 January 2025

Science fantasy novel series

The Horus Heresy
AuthorVarious
IllustratorVarious (List of artists)
Cover artist
  • Neil Roberts
  • Philip Sibbering
CountryUnited Kingdom
LanguageEnglish
GenreScience fantasy
PublisherBlack Library
Published2006 (2006)–2024
No. of books64
Websitehttps://www.blacklibrary.com/the-horus-heresy

The Horus Heresy is a series of science fantasy novels set in the fictional Warhammer 40,000 setting of tabletop miniatures wargame company Games Workshop. Penned by several authors, the series takes place during the Horus Heresy, a fictional galaxy-spanning civil war occurring in the 31st millennium, 10,000 years before the main setting of Warhammer 40,000. The war is described as a major contributing factor to the game's dystopian environment.

The books were published in several media by the Black Library, a Games Workshop division, with the first title released in April 2006. The series consists of 64 published volumes; the concluding story, The End and the Death, was released in three volumes, with the concluding volume of the series, The End and the Death: Volume III, being released in January 2024.

The series has developed into a distinct and successful product line for the Black Library; titles have often appeared in bestseller lists, and overall the work has received critical approval despite reservations. It is an established, definitive component of Games Workshop's Horus Heresy sub-brand, and authoritative source material for the entire Warhammer 40,000 shared universe and its continuing development.

Overview

The Horus Heresy is a dark, far future military space opera concerning a galactic civil war within the nascent Imperium of Man, and which constitutes a cornerstone event of the dystopian science fantasy Warhammer 40,000 universe. The Horus Heresy is presented as a major chapter of conflict in the Warhammer 40,000 lore: it is caused by a Chaos plot to foil the Imperium's leader and founder, the mysterious Emperor of Man, by fomenting rebellion and internecine warfare in the expanding Imperium of Man. The story focuses on the Emperor's 18 genetically engineered sons, the Primarchs, and the legions of genetically enhanced superhuman soldiers that they lead, the Legiones Astartes, which find themselves divided into loyalist and traitor factions as they struggle for religious hegemony.

The shared universe was originally created in 1987 by Games Workshop, parent company of series publisher Black Library, as the campaign setting for the Warhammer 40,000 tabletop miniatures wargame and in 2006 Black Library began publishing The Horus Heresy series. The series consists of full-length novels, and novel-length compilations of novellas or short stories, written by a number of authors. The series includes new characters as well as establishing the background of previously established Warhammer 40,000 characters who play an important role in the post-Heresy fictional universe.

The first three novels in The Horus Heresy are an opening book trilogy. This trilogy presents some of the background and causes of the Heresy, and describes the start of the conflict. The arc's focus is on Warmaster Horus, the principal antagonist, and covers about two years in the overall Heresy timeline; most of this period elapses before the rebellion begins. Following the trilogy, the narrative is not strictly sequential and is often presented in nonlinear fashion from book to book. Apart from the initial trilogy, the stories often concern events that happen earlier or later than their position in the series would suggest, or may include time periods already covered in other series titles.

The majority of stories in The Horus Heresy are set around the start of the fictional universe's 31st millennium, in contrast to most Warhammer 40,000 material, which takes place in the 41st millennium. The stories in The Horus Heresy routinely cover the conflict's background, with some going back centuries before the war (and the 31st millennium) begins. In narrower scope, the entire conflict (including the Heresy proper and its proximate formative period), is depicted as having lasted for seven years. With few exceptions, the sequence and dating of Heresy events is implied rather than stated in The Horus Heresy stories.

Titles

The following lists pertain to regular or general-availability UK first editions. For special and other editions, and additional information, see § Media and editions.

Book Title Author Release date Length
1Horus Rising
The seeds of heresy are sown		Dan Abnett412 pp.
2False Gods
The heresy takes root		Graham McNeill406 pp.
3Galaxy in Flames
The heresy revealed		Ben Counter
  • October 2006 (paperback) 978-1-84416-393-9
  • December 2010 (e-book)
  • January 2012 (audiobook)
407 pp.
4The Flight of the Eisenstein
The heresy unfolds		James Swallow
  • March 2007 (paperback) 978-1-84416-459-2
  • December 2010 (e-book)
  • December 2012 (audiobook)
407 pp.
5Fulgrim
Visions of Treachery		Graham McNeill510 pp.
6Descent of Angels
Loyalty and honour		Mitchel Scanlon413 pp.
7Legion
Secrets and lies		Dan Abnett
  • March 2008 (paperback) 978-1-84416-536-0
  • December 2010 (e-book)
  • February 2014 (audiobook)
412 pp.
8Battle for the Abyss
My brother, my enemy		Ben Counter411 pp.
9Mechanicum
Knowledge is power		Graham McNeill415 pp.
10Tales of Heresy
[Short story compilation]		Nick Kyme and Lindsey Priestley (editors)412 pp.
11Fallen Angels
Deceit and betrayal		Mike Lee412 pp.
12A Thousand Sons
All is dust...		Graham McNeill558 pp.
13Nemesis
War within the shadows		James Swallow507 pp.
14The First Heretic
Fall to Chaos		Aaron Dembski-Bowden502 pp.
15Prospero Burns
The Wolves unleashed		Dan Abnett444 pp.
16Age of Darkness
[Short story compilation]		Christian Dunn (editor)408 pp.
17The Outcast Dead
The truth lies within		Graham McNeill459 pp.
18Deliverance Lost
Ghosts of Terra		Gav Thorpe469 pp.
19Know No Fear
The battle of Calth		Dan Abnett412 pp.
20The Primarchs
[Novella compilation]		Christian Dunn (editor)440 pp.
21Fear to Tread
The angel falls		James Swallow508 pp.
22Shadows of Treachery
[Short story and novella compilation] 		Christian Dunn and Nick Kyme (editors)409 pp.
23Angel Exterminatus
Flesh and iron		Graham McNeill416 pp.
24Betrayer
Blood for the Blood God		Aaron Dembski-Bowden448 pp.
25Mark of Calth
[Short story and novella compilation]		Laurie Goulding (editor)416 pp.
26Vulkan Lives
Unto the Anvil		Nick KymeAugust 2013 (audiobook, e-book, hardback 978-1-84970-316-1, paperback 978-1-84970-512-7)416 pp.
27The Unremembered Empire
A light in the darkness		Dan AbnettOctober 2013 (e-book, hardback 978-1-84970-571-4, paperback 978-1-84970-572-1)416pp.
28Scars
A Legion divided		Chris WraightApril 2014 (e-book, hardback, paperback 978-1-84970-604-9)416 pp.
29Vengeful Spirit
The Battle of Molech		Graham McNeillMay 2014 (e-book, Audiobook, hardback, paperback 978-1-84970-595-0)416 pp.
30The Damnation of Pythos
Thinning the veil		David AnnandaleJuly 2014 (e-book, hardback 978-1-84970-714-5, audio)416 pp.
31Legacies of Betrayal
Let the galaxy burn		Compilation February 2015 (e-book, paperback 978-1-84970-836-4)416 pp.
32Deathfire
Into the Ruinstorm		Nick KymeNovember 2015 (e-book, paperback 978-1-78496-018-6, audio)416 pp.
33War Without End
Heresy begets retribution		Compilation 544 pp.
34Pharos
The dying of the light		Guy Haley
  • December 2015 (ebook)
  • February 2016 (hardback and audio)
  • September 2016 (paperback) 978-1-78496-306-4
485 pp.
35Eye of Terra
I am the Emperor's vigilance		Compilation 416 pp.
36The Path of Heaven
Riding out from the storm		Chris Wraight432 pp.
37The Silent War
Chosen of the Sigillite		Compilation 480 pp.
38Angels of Caliban
Emperors and slaves		Gav Thorpe480 pp.
39Praetorian of Dorn
Alpha to omega		John French512 pp.
40Corax
Nevermore		Gav Thorpe416 pp.
41The Master of Mankind
War in the webway		Aaron Dembski-Bowden416 pp.
42Garro
Weapon of fate		James Swallow384 pp.
43Shattered Legions
[Short story and novella compilation]		Laurie Goulding (editor)448 pp.
44The Crimson King
A soul divided		Graham McNeill496 pp.
45Tallarn
War for a dead world		John French416 pp.
46Ruinstorm
Destiny unwritten...		David Annandale384 pp.
47Old Earth
To the Gates of Terra		Nick Kyme400 pp.
48The Burden of Loyalty
[Short story and novella compilation]		Laurie Goulding (editor)432 pp.
49Wolfsbane
The wyrd spear cast		Guy Haley432 pp.
50Born of Flame
[Short story, novella, & novel compilation]		Nick Kyme464 pp.
51Slaves to Darkness
Chaos undivided		John French400 pp.
52Heralds of the Siege
[Short story compilation]		Nick Kyme and Laurie Goulding (editors)400 pp.
53Titandeath
The God Machines cometh		Guy Haley369 pp.
54The Buried Dagger
Doom of the Death Guard		James Swallow
  • February 2019 (ebook, hardback and audio)
  • September 2019 (paperback) 978-1-78193-970-3
314 pp.
55The Solar War
Siege of Terra Book 1		John French384 pp.
56The Lost and the Damned
Siege of Terra Book 2		Guy Haley432 pp.
57The First Wall
Siege of Terra Book 3		Gav Thorpe460 pp.
58Saturnine
Siege of Terra Book 4		Dan Abnett560 pp.
59Mortis
Siege of Terra Book 5		John French560 pp.
60Warhawk
Siege of Terra Book 6		Chris Wraight480 pp.
61Echoes of Eternity
Siege of Terra Book 7		Aaron Dembski-Bowden560 pp.
62The End and the Death, Volume I
Siege of Terra Book 8		Dan Abnett663 pp.
63The End and the Death, Volume II
Siege of Terra Book 9		Dan Abnett672 pp.
64The End and the Death, Volume III
Siege of Terra Book 10		Dan Abnett512 pp.

Contributors

Contributors of the series include artists, audiobook narrators, and compilation or abridgement editors. Each may have contributed in stories that utilise different forms; where applicable, the number of (multiple) contributions per form – or other pertinent information – is indicated in parentheses.

Artists

  • Karl Richardson – Internal illustrations ("premium" editions)
  • Neil Roberts – Cover art, front matter illustration; main series artist (all titles except where cited otherwise)
  • Philip Sibbering – Cover art, front matter illustration
  • Adrian Wood – Front matter map

Audiobook narrators

  • Gareth Armstrong – Unabridged novel (4), novella (2), short story (4)
  • Sean Barrett – Novella
  • Martyn Ellis – Abridged (3) and unabridged (1) novel, short story (3)
  • Jonathan Keeble – Unabridged novel (3), novella, short story (6)
  • David Timpson – Unabridged novel (2), novella, short story (3)
  • Toby Longworth - Unabridged Novel

Editors

  • Christian Dunn – Novel abridgement (3); mixed-form compilation, novella compilation, short story compilation
  • Laurie Goulding – Mixed-form compilation
  • Nick Kyme – Mixed-form compilation, short story compilation
  • Lindsey Priestley – Short story compilation

Synopsis

Story setting

Early in the 31st millennium, the Galaxy is in the throes of the Great Crusade. Originating from Terra (Earth), it is an interstellar crusade that claims the galaxy as the rightful domain of Humankind, and aims to reunite the multitude of scattered human colonies remaining from earlier space exploration under the domain of an "Imperium of Man". Organised in numerous expeditions, the Crusade fields huge fleets and vast armies; at its forefront, led by the Primarchs, are Legions of Space Marines – genetically enhanced supersoldiers numbering in the millions. Over the course of two Terran centuries, the Crusade has reached star systems more than 50,000 light years away from its original staging point in the Sol (Solar) System, has assimilated millions of worlds into the Imperium, and has given Humankind a dominant position among the galaxy's species. Its grand mastermind is the "Emperor of Mankind", a mysterious superhuman of unknown origin.

The Emperor, founder and head of the Imperium, is a being of towering charisma, prowess, conviction, and ability. He has declared an atheistic worldview, the "Imperial Truth", which promotes science, rationalism, and human primacy. Unknown to the common citizenry, he is also the most powerful human (or humanlike) psychic, referred to as psykers, and is overall one of the most formidable psychics in the galaxy. Officially, the Imperium denies the existence of psychic phenomena, including its manifestations as witchcraft and sorcery, and punishes its belief as ignorant and superstitious; yet the Imperium is also dependent on psychic activity in order to achieve faster-than-light travel between its scattered dominions. The Emperor knows that psychic phenomena originate in The Warp, a parallel dimension reflecting the events of the material world at its most emotional. Within the Warp exist Daemons, sentient vortices of concentrated feeling that are chiefly malignant. The Daemons are themselves in service to the Chaos Gods, also known as the Ruinous Powers, titanic collectives of dark will whose rulership over the parallel dimension is supreme. These malign immaterial entities forever seek to breach the material universe and subject all life within it to foul and debased whims. Awareness and perception of the Chaos Gods and their Daemons serves as the basis of numerous faiths and religions in the setting, both human and alien in origin. Knowing followers of the Chaos Gods, though rare, refer to their faith as the Primordial Truth, or the Primordial Annihilator.

Humankind's continuing biological and psycho-spiritual evolution includes the gradual development of widespread Warp-related psychic abilities that will make the species far more susceptible to Chaotic influence; united under the Imperium of Man, the Emperor seeks to protect all of mankind by using faith in the Imperial Truth as a shield. The powers of Chaos desire change and conflict by nature, and seek to destabilise and subvert the Imperium's order over the galaxy from within.

Book 1 to Book 10

1. Horus Rising: The seeds of heresy are sown

Horus Rising, the series opener, starts in the early years of the 31st millennium, during the 203rd year of the Great Crusade. It describes the rise to power of Horus Lupercal, Primarch of the "Luna Wolves" Legion of Space Marines, and the most versatile and favoured "son" of the Emperor. The Emperor has recently appointed him Warmaster, overall commander of Imperial military forces, while also leaving him in charge of the rest of the Crusade; the Emperor meanwhile returns to Terra, where in relative isolation he undertakes a secret project to which not even Horus is privy. The focus and perspective of the novel centres on a Space Marine Captain, Garviel Loken, leader of the Luna Wolves' 10th Company. He becomes a member of the Mournival, an informal advisory body to Horus, and participates in Crusade campaigns against anti-Imperial human populations and aliens, referred to in the series as "xenos". The story also hints at tensions in the nascent Imperium, exacerbated by the Emperor's absence and contentious actions and inactions – these are common themes in following books.

2. False Gods: The heresy takes root

False Gods picks up a few weeks after the conclusion of Horus Rising in the series timeline, and tells the story of Horus' fall. In a complicated conspiracy implemented by followers of Chaos, Horus is mortally wounded during a Crusade mission by a Chaos-tainted xenos weapon. In a desperate action by his lieutenants to ensure his survival  – one taken in strict contradiction to Imperial doctrine  – Horus is brought to a local temple with a reputation for healing. The temple is the seat of a powerful Chaos cult, and both Horus' wound and its supposed healing makes him susceptible to Chaos' influence. He ultimately turns against his "father", the Emperor, and sets in motion the entire Heresy. This novel further highlights the institutional and personal tensions that accompany the Imperium's maturity into the preeminent power of the galaxy; they include rifts among the Primarchs, as well as both between and within their Space Marine Legions. Conflicts and characters flaws are repeatedly and effectively manipulated by Chaos in pursuit of their agenda throughout the series. A parallel storyline, also present in several other books, involves the growing influence – both within the Crusade Expeditionary forces and across the wider Imperium – of a forbidden religious cult, whose members, while loyal to the Emperor and Imperium, defy the Imperial Truth by worshipping the Emperor as a god.

3. Galaxy in Flames: The heresy revealed

Galaxy in Flames starts shortly after the end of False Gods. It outlines the corrupted Warmaster's descent into madness, which leads to the fomentation of his plot to betray the Imperium. Horus pursues his secret planning of the rebellion in earnest, seeking and finding allies among his disgruntled fellow Primarchs, their Legions, and the Imperium's other organisations and key personalities. The novel details the first open move of the Heresy, the "Betrayal of Istvaan III", wherein factions of four Astartes Legions who were deemed unconvertible by their traitor brethren are ambushed during a planetary invasion of the fictional Isstvan star system. The novel marks the first distinguishment of the "Loyalists" and "Traitor" factions within the Legions and other rebel forces, including the unmodified soldiers of the Imperial Army.

4. The Flight of the Eisenstein: The heresy unfolds

The Flight of the Eisenstein follows the eponymous Eisenstein, a space frigate of the "Death Guard" 14th Legion of Space Marines. The story follows the ship's escape from the Betrayal of Istvaan III, crewed by surviving loyalists of the four Legions present at the battle and commanded by Battle‑Captain Nathaniel Garro of the Death Guard 7th Company and one of the few Commanders in the Traitor Legions that remain loyal to the Emperor  – followed by the perilous voyage the vessel must take across the galaxy in an effort to reach Terra and raise the alarm over the developing rebellion. Garro and the others on board the vessel face suspicion and incredulity from Imperial authorities; apart from the inconceivable news of Horus' betrayal, the situation is complicated by the fact that many of the travellers on the Eisenstein now openly proclaim their belief in the Emperor's divinity, itself a heresy.

5. Fulgrim: Visions of Treachery

Fulgrim centers on the eponymous Primarch of the 3rd Legion, the "Emperor's Children". Characterised as flamboyant perfectionists, the novel tracks the descent of Fulgrim and his Legion into the service of Chaos roughly simultaneously with that of Horus in (Book 2). Fulgrim is delivered a warning about Horus' imminent betrayal and the disaster that may follow by the alien Eldar race, but he and his staff dismiss it. The Emperor's Children eventually become the "Chosen" of Slaanesh, one of the four Gods of Chaos, with which Fulgrim is slowly and unwittingly drawn into grotesque communion. Primarch Ferrus Manus and his "Iron Hands" Space Marines (the 10th Legion) also play a prominent role in the novel as Fulgrim attempts to lure them into betrayal, and several other Primarchs and Legions make appearances. Described in passing is the pivotal Battle of Isstvaan V, also known as the Dropsite Massacre, where several entirely Loyalist Legions are slaughtered in another Traitor ambush in the Isstvan star system. The battle fully reveals the scale and ferocity of the rebellion.

6. Descent of Angels: Loyalty and honour

Descent of Angels is a pre-Heresy story that concludes about 50 years before the start of that conflict. It introduces the "Dark Angels", first of the Space Marine Legions, and their Primarch Lion El'Jonson. The story is mainly told from the viewpoint of Zahariel El'Zurias, a native of the fictional planet Caliban. Caliban is an isolated, low-technology world that resembles a feudal medieval fantasy setting. Zahariel is introduced in the story as an Aspirant of the Order, an organisation of techno-barbarian knights. The first half of the novel is set on Caliban and covers the final battles of the Order under the leadership of Jonson, the future Primarch. The book's second half describes Caliban's unification with the Imperium of Man as well as the actions of the Dark Angels during the early years of the Great Crusade. In this part of the story, Zahariel, selected as a candidate Space Marine, is accepted as a Dark Angel Neophyte. A future schism within the Legion is intimated towards the end of the book.

7. Legion: Secrets and lies

Legion focuses on the "Alpha Legion", the 20th and last of the Space Marine Legions. Characterised in earlier publications as clandestine and inscrutable, the book constitutes a major development of the entire canon of the setting with the revelation that the Legion's Primarch is actually a pair of twins, Alpharius and Omegon. The book also features the Imperial Army, the regular unmodified human fighting force of the Imperium, covering several officers and their units. Lastly, the novel introduces a new organisation to the setting, the enigmatic and ancient Cabal  – an interspecies organisation opposed to Chaos. The human John Grammaticus is introduced as a prominent Cabal member. The story takes place over roughly a 6‑month period, about two years before the Heresy starts; it describes the events that eventually lead Alpharius and Omegon (publicly a single figure named Alpharius Omegon) to support Horus.

8. Battle for the Abyss: My brother, my enemy

Battle for the Abyss concerns the lead‑up to a Traitor invasion of Ultramar, a remote star system and the home base of the unshakeably-Loyalist 13th Legion, the "Ultramarines" (Book 19 and 24). Early in the Heresy, the Traitor Word Bearers Legion is tasked with organising and leading the invasion; they plan to use an immense, secretly commissioned warship, the Furious Abyss, to spearhead the surprise attack. The vessel, commanded by Fleet Captain Zadkiel, launches from shipyards near Jupiter around the time of the events on Isstvan III (Book 3), and sets course for Macragge, Ultramar's capital world. Leading the cast of Loyalist protagonists is Cestus, Fleet Commander and Captain of the 7th Company of the Ultramarines. They become aware of the powerful capital ship's true purpose, and engage in long pursuit; they will seek to prevent the Furious Abyss from participating in the invasion and from reaching Macragge.

9. Mechanicum: Knowledge is power

Mechanicum is the first book in the series not to focus on either the Primarchs or their Space Marines Legions. The novel centres on the eponymous "Mechanicum", a cult of machine-worshipping technologists based on the real-life planet Mars and which serves as the chief engineering authority in the nascent Imperium. The machinations of Horus and the Chaos-worshipping Traitors affects the Martian cult as much as every other Imperial organisation, leading to a civil war on Mars itself. Kelbor-Hal, Fabricator General of Mars and the technocracy's supreme leader, declares for Horus, and together they carry out a coup d'état to eliminate Techpriest and Magos adherents of the Cult who are loyal to Terra and the Emperor. As the Mechanicum is the sole power responsible for all civil and military technology in the Imperium, the conflict has vast implications for whichever side of the broader intergalactic civil war receives Mars' crucial support.

10. Tales of Heresy

Tales of Heresy is a collection of short stories introducing and expanding upon numerous threads within the greater happenings of the Heresy. Various stories centre on the Custodian Guard, the elite Praetorian Guard-esque retinue of the Emperor, and the Sisters of Silence, a classified Imperial organisation of anti-psychic warrior‑nuns originally introduced in Book 4. Most stories are concurrent with the Heresy, with some occurring in the years prior. It includes two stories that take place on Terra, one of which occurs long before the Heresy and adds to the background regarding the Imperial Truth; another entry in the compilation is a Primarch origin story, covering the contentious circumstances under which the gladiatorial Primarch Angron takes command of the 12th Space Marine Legion, which he renames from the "Warhounds" to the "World Eaters". The book contains seven stories by various authors; several stories relate to full-length novels in the series.

This anthology contains the following stories: Blood Games by Dan Abnett, Wolf at the Door by Mike Lee, Scions of the Storm by Anthony Reynolds, The Voice by James Swallow, Call of the Lion by Gav Thorpe, The Last Church by Graham McNeill and After Desh'ea by Matthew Farrer.

Book 11 to Book 20

11. Fallen Angels: Deceit and betrayal

Fallen Angels continues the Dark Angels tale begun in Book 6, Descent of Angels. The novel starts around the time of Book 6's conclusion, about 50 years before the Heresy, but forwards to just about the time of the Heresy's beginning in the opening chapters. It tells two stories: one concerns the effort of Primarch Lion El'Jonson and a small group of Dark Angels to deny a forge world (a planet devoted to manufacturing, especially of weapons) to Horus' forces; the other is the story of Luther (Lion El'Jonson's second), Zahariel El'Zurias (by now a full Space Marine), and a Dark Angels contingent sent back to Caliban, the Dark Angels Legion home world. They get involved in the fight against a growing insurgency that seeks to free the planet from under the Imperium's thumb.

12. A Thousand Sons: All is dust...

A Thousand Sons is the story of Primarch Magnus and the "Thousand Sons" Space Marines, the 15th Legion; it mainly takes place before the Heresy begins. Following a reprimand by the Emperor for dabbling in sorcery, Magnus and his Legion secretly continue to study the forbidden subjects. Then, around the time of Horus' corruption (Book 2), Magnus learns through sorcery of his brother's impending betrayal. He tries – again through sorcery – to warn the Emperor, believing that the gravity of the news justifies his disobedience. However, he overreaches with his powers and damages the vital and secret project the Emperor is undertaking (Book 1), endangering the safety of Terra itself in the process. The Emperor is enraged and orders Leman Russ, Primarch of the 6th Legion (the "Space Wolves"), to Prospero, the Thousand Sons Legion's in‑series home world. The Space Wolves, accompanied by other Imperial forces, are to bring Magnus and his Legion to Terra to account for themselves.

13. Nemesis: War within the shadows

Nemesis is set about two years after the events on Isstvan V described in Book 5, Fulgrim. It is a look at the war behind the war, the covert operations undertaken by the opposing sides in order to influence the visible conflict. Specifically, it deals with a plan by a secret Imperial organisation, the Officio Assassinorum, to eliminate Horus; an "Execution Force" consisting of operatives from all of the Officio's disciplines, and led by top-rated sniper Eristede Kell, is tasked with the mission. There have been several previous unsuccessful attempts against Horus' life, and this gives a high-ranking officer of the Traitor Word Bearers Legion the idea to field a nemesis weapon of his own: a highly specialised assassin, who is to be used in an audacious scheme to kill the Emperor.

14. The First Heretic: Fall to Chaos

The First Heretic details the fall to Chaos of Primarch Lorgar and the 17th Space Marine Legion, the "Word Bearers". Decades before the start of the rebellion they become heretics relative to the Imperial Truth by introducing religious worship. This results in public and humiliating censure of Lorgar and the entire assembled Legion, by the Emperor himself. The despairing Lorgar is subsequently swayed by two of his most trusted lieutenants, who are in secret allegiance with Chaos; eventually both Primarch and Legion covertly embrace (and promote) the Primordial Truth, many years before Horus' corruption. The story is largely told from the point of view of Argel Tal, a Captain of the Word Bearers, who becomes commander of a Chaos-possessed elite Legion unit. It spans several decades, starting 43 years before the events on Isstvan V (Book 5) and concluding around the time the Word Bearers are on their way to assault Calth (Book 19).

15. Prospero Burns: The Wolves unleashed

Prospero Burns is part of the story arc of Book 12, however it follows a different but related timeline. The story begins more than a century before the Space Wolves-led mission to Prospero, and the concurrent start of the Heresy. It is presented from the point of view of Kasper Hawser, formerly a noted Terran academic who becomes a Crusade Remembrancer, and then the Oral Historian or skjald of the 3rd Company of the Space Wolves Legion. On the surface it is his story; the important understory concerns the long-term machinations of Chaos, whose aim is the destruction of both Space Wolves and Thousand Sons. Chaos attempts to exploit the weaknesses of the Primarchs and their Legions in order to pit them against each other – the ultimate result is the confrontation on Prospero. While this confrontation is taking place, Horus' previously covert rebellion becomes visible (Book 3). The novel also adds background to Horus' fall and to the planning of the Heresy campaign by Chaos and its forces.

16. Age of Darkness

Age of Darkness is a compilation of nine short stories by various authors. They take place during the seven‑year period between the Dropsite Massacre on Isstvan V (Book 5), and the conclusion of Horus' campaign. The stories present various facets of the unfolding conflict, as suspicion, insecurity, and paranoia spread through the galaxy on the wake of the Warmaster's betrayal. Subjects include: a Primarch prepares for the end of the Imperium; a Traitor PSYOP topples an Imperial planet; an unusual diplomatic contest will decide which side will be chosen by a world on the fence; a non-combatant may be a rebel agent or a herald of unpalatable truths for the Imperium; a Loyalist Space Marine in a Traitor Legion holds his own against his erstwhile brothers. Several of the included stories are linked through continuity; some are also prequels or sequels to stories in other series books.

This anthology contains the following stories: Rules of Engagement by Graham McNeill, Liar's Due by James Swallow, Forgotten Sons by Nick Kyme, The Last Remembrancer by John French, Rebirth by Chris Wraight, The Face of Treachery by Gav Thorpe, Little Horus by Dan Abnett, The Iron Within by Rob Sanders, Savage Weapons by Aaron Dembski-Bowden.

17. The Outcast Dead: The truth lies within

The Outcast Dead is the first novel-length story in the series to take place almost entirely on Terra. It covers a relatively short period, starting several months before Magnus' catastrophic psychic visit at the Imperial Palace (Book 12), and concluding several months after this event. The unauthorised visit is central to the story: apart from damaging the Emperor's top secret project (Book 1) and the planet's defense, it massively disrupts Terra's long-range communications infrastructure. The ensuing isolation and confusion cause indecision and delays for the Loyalist side. The story's main character is Kai Zulane, previously a gifted Imperial astropath attached to the Ultramarines Legion. He unwittingly becomes the keeper of a secret that could decide the victor in the developing galactic civil war. The secret has additional implications regarding the Heresy's conclusion and the future course of the Imperium of Man. "The Outcast Dead" are other protagonists: a small, disparate group of Space Marines suspected as traitors, with whom Zulane falls in during the second half of the book.

18. Deliverance Lost: Ghosts of Terra

Deliverance Lost is mainly concerned with the actions of Primarch Corvus Corax and his Space Marine Command, the 19th Legion or "Raven Guard", during the year following the Dropsite Massacre (Book 5). However, operatives and the Primarch of the Alpha Legion play a prominent role. The story starts about 3 months after the Dropsite Massacre, with the unexpected rescue of Corax and the remnants of his Legion (at less than 5% strength due to casualties in that battle). Arriving at Terra a few months after the events described in The Outcast Dead take place, Corax convinces the Emperor to impart to him the knowledge and material that may accelerate the rebuilding of his Legion. The second part of the novel describes the effort to reconstitute the Raven Guard, undertaken on Deliverance (its home world in Warhammer 40,000 fiction), and the pursuit of opposite objectives by the Alpha Legion. The novel features the reappearance of The Cabal (Book 7), and of other well-known characters; it also adds information about the developing strategies and subterfuge applied by the opposing sides, including reasons for Horus' timetable and for the Emperor's actions during the initial stages of the Heresy.

19. Know No Fear: The battle of Calth

Know No Fear documents the rebels' surprise assault on Calth, an ascendant Ultramar system world. It is planned and led by the Traitor Word Bearers Legion, now fully and openly committed to the spread of the Primordial Truth. The narrative starts close to where the timelines of Book 8 and Book 14 converge (in their respective conclusions), with the invasion force en route to, or near the planet. The rebel mission has aims beyond just delivering a crippling blow to the Ultramarines Legion and their home system; its objectives may affect the entire Heresy campaign. The story tracks the Calth assault from its opening covert phases, and the actions of several characters. Unaware of the developing rebellion and the Word Bearers' true role and allegiance, Primarch Roboute Guilliman and his Ultramarines are unprepared for the underhand invasion: it is total, bloody war, with ritualistic undertones, scorched earth tactics, decisive use of technology, and the considerable involvement of Chaos; the inconceivable treachery and its implications forever change the Loyalists' view of reality.

20. The Primarchs

The Primarchs is a compilation of four novellas by different authors, each story starring one of the "sons" of the Emperor. The novellas further develop these characters, who make multiple appearances in the series: following the Dropsite Massacre (Book 5), Fulgrim, perversely empowered by his own corruption, reveals his true nature and future plans to top officers of his compromised Legion; during a Great Crusade campaign against the enigmatic Eldar, Ferrus Manus, already beset by unsettling dreams, is subjected by alien sorcerers to stark, portentous visions and warnings about his future and role in the soon to be revealed Heresy; with Horus' rebellion in full swing after the events of Isstvan V, a suspicious and isolated Lion El'Jonson accepts the newly revealed realities of the Warp and decides on an independent course of action for the Dark Angels in the unfolding conflict; around the same time, and plotting a typically indecipherable course in the expanding war, the twinned Primarch of the Alpha Legion is involved in a unique counterintelligence operation that extends the Legion's customary deceptions inwards.

This anthology contains the following stories: The Reflection Crack'd by Graham McNeill, Feat of Iron by Nick Kyme, The Lion by Gav Thorpe and The Serpent Beneath by Rob Sanders.

Book 21 to Book 30

21. Fear to Tread: The angel falls

Fear to Tread describes an operation by the forces of Chaos that is supposed to turn Primarch Sanguinius and the 9th Space Marine Legion, the "Blood Angels", to their cause. To succeed, Chaos plans to take advantage of a genetic flaw in Sanguinius' and the Legion's DNA. As the Heresy is getting under way, the outwardly still loyal Warmaster orders the entire 9th Legion and their unsuspecting Primarch to a remote star system. There they find themselves isolated and ambushed, fighting a new kind of war – against Chaos entities and daemons – designed to trigger the Legion's flaw. The plan almost succeeds; yet conflicting agendas among anti-Imperial protagonists, as well as the fortitude and unorthodox tactics of quick-to-adapt Blood Angels, narrowly result in Loyalist victory. In the meantime Horus' rebellion erupts openly and the Loyalists suffer catastrophic losses in the Dropsite Massacre (Book 5). Sanguinius and his Legion, now fully aware of the great betrayal and the reality of Chaos, race to the defense of Terra and the Emperor while buffeted by unprecedented navigational difficulties; it is hinted that these are related to the action in the Ultramar system of Calth (Books 19 and 24).

22. Shadows of Treachery

Shadows of Treachery is a compilation that collects five short stories previously published in limited editions, art books, or other formats, and also contains two new novellas. Most of the stories involve the 7th or 8th Space Marine Legions, respectively the Loyalist "Imperial Fists" and Traitor "Night Lords", and their Primarchs Rogal Dorn and Konrad Curze. Other Legions and Primarchs are also featured, while one short story takes place on Mars and illuminates an aspect of the Traitor Mechanicum's conspiracy. One of the novellas is mainly about an all-out close-quarters space battle, between a Loyalist Retribution Fleet sent to punish Horus following the events of Isstvan III (Book 3) and the Traitor fleet that ambushes it; the other new novella deals with the aftermath of another naval engagement in space that cripples the Night Lords Legion. The narratives of all stories fill gaps in the series or add further details about the Heresy and its actors; they cover periods that range from several decades before the conflict to around the time frame of Book 18 (one short story is a prequel to that novel).

This anthology contains the following stories: The Crimson Fist by John French, The Dark King by Graham McNeill, The Lightning Tower by Dan Abnett, The Kaban Project by Graham McNeill, Raven's Flight by Gav Thorpe, Death of a Silversmith by Graham McNeill and Prince of Crows by Aaron Dembski-Bowden.

23. Angel Exterminatus: Flesh and iron

Angel Exterminatus covers a Traitor operation in uncharted and dangerous galactic space, that may purportedly decide the war in favour of the rebels. The story provides further glimpses of disparate motivations and conflicting objectives among traitor factions as the Heresy campaign continues. It is taking place some time after the Dropsite Massacre (Book 5), shortly following the events described by two novellas (Books 20 and 22). Featured are the 4th Legion of Space Marines, the "Iron Warriors", renowned siege masters of the Great Crusade, and their Primarch Perturabo. However the core plot is set in motion by Fulgrim and the Emperor's Children, who share the spotlight. The embittered Iron Warriors have aligned with Horus out of frustration with the ignominious and unheralded role assigned them by the Imperium; before the story begins, they lash out in unforgivable genocide. In the story, they are invited to the freelance operation (which is unknown to the Warmaster) by Fulgrim and his Legion, who have their own agenda. The operation's true goal is kept secret from Perturabo and his Space Marines, who come to realise that not all fellow rebels can be trusted. A side thread involves Fabius Bile, the chief medical officer of the Emperor's Children, and the Traitors' top geneticist; he is on a no-holds-barred quest to exceed the Emperor's genetic achievements.

24. Betrayer: Blood for the Blood God

Betrayer returns the series to the action in the Ultramar theatre; it starts around the time the events of Book 19 begin to unfold. Unlike that story, Betrayer is presented from the perspective of the rebels, in this case the World Eaters and Word Bearers Legions, and often through the particular viewpoint of Khârn, Captain of the 8th Company of the World Eaters and Equerry to Primarch Angron. In tenuous and fragile cooperation, the two very different Traitor Legions lay waste to worlds across Ultramar; it is a "Shadow Crusade" meticulously planned by Primarch Lorgar of the Word Bearers, who deploys Abyss-class spaceships. The campaign's strategic goal is the destruction or isolation of the powerful Ultramarines Legion, its home star system, and the system's considerable resources; removing Ultramar as a factor in the war is one of Horus' primary objectives. The scheming Primarch of the Word Bearers orchestrates genocide in unprecedented scale, as a way to summon the powers of Chaos. With their help, he hopes to generate the so-called Ruinstorm, an immense interdimensional disturbance that will create an impenetrable veil around Ultramar. As the final piece of his plan, Lorgar engineers the "ascension" into daemonhood of the increasingly unstable Angron: the event is to act as the conduit for the unnatural storm.

25. Mark of Calth

Mark of Calth is the fifth compilation to appear in the series; it contains seven short stories and one novella, each by a different author. The stories further describe aspects of the rebels' Ultramar campaign, as close prequels or sequels of Books 19 and 24. "Premium" editions and the e‑audiobook version were released April 2013; text-based general release editions were expected mid-to-late 2013.

This anthology contains the following stories: The Shards of Erebus by Guy Haley, Calth That Was by Graham McNeill, Dark Heart by Anthony Reynolds, The Traveller by David Annandale, A Deeper Darkness by Rob Sanders, The Underworld War by Aaron Dembski-Bowden and Unmarked by Dan Abnett.

26. Vulkan Lives: Unto the Anvil

Vulkan Lives is the first book where the story of Vulkan is shown with a significant background. His memories coming back to him after his capture by his brother Konrad Curze aboard his ship modified by Perturabo himself. He learns more about his immortality, which seems to be a gift and a curse, one he preferred not to bear at all. The book adds more background concerning the battle at Istvaan V, at the same time showing the drama of a squad of his surviving sons and the shattered legions while they fight to retrieve an unknown artifact that will change the course of history in the coming days of the rebellion.

27. The Unremembered Empire: A light in the darkness

Unremembered Empire happens after the events of the Battle of Phall, the Lion's capture of Konrad Curze, the return of Guilliman to Maccragge after the battle for Armatura and the Blood Angels trial at the battle for Signus Prime. An ancient device has been found on Sotha, one which could guide the mighty warships out of the impenetrable veil that cut off Ultramar from the rest of the Imperium. Strange events start to happen after the arrival of members of the Cabal organization; a Word Bearer Legionnaire seeking redemption for his Legion and the Night Lords' Primarch begin their search for an unknown "object" that fell from orbit straight to the hands of Guilliman. Secrecy between him and the Lion might bring undesired conflict between the brothers in this time of treachery, while Sanguinius manages to come back from his trial on Signus Cluster to learn from Guilliman's plan for a new Empire.

28. Scars: A Legion divided

Scars is the first book that centers on the White Scars. The White Scars have not yet received news of the civil war waging across the Imperium. For the past two years, the legion has been cleansing the Chondax System of an Ork infestation. Because of the artificial warp storms created by the Alpha Legion, the Chondax system has been completely cut off from all communication. With the destruction of the device responsible for maintaining the warp storms (as detailed in the short story, The Serpent Beneath, found in Book 20), the White Scars begin to receive a flood of conflicting information. Some reports say that Leman Russ has turned traitor and killed Magnus on Prospero. Other reports indicate that Horus has turned against the Emperor. Perhaps most consequentially, the White Scars receive a distress call from the Space Wolves, who are under attack from the Alpha Legion. Not knowing what to believe, the Khan orders the White Scars to Prospero in a search for answers, leaving the Space Wolves to fend for themselves. Meanwhile, the warrior lodges embedded within the White Scars activate, intending to force the Khan into declaring for Horus. The book centers around the Khan's decision of which side to join: his traitor friend and brother, or his lying, tyrant father.

29. Vengeful Spirit: The Battle of Molech

Sometime after the creation of the Ruinstorm (Book 24), Horus conquers the world of Dwell. There, he learns a secret about the Emperor: long ago, at the start of humanity's great diaspora to the stars, the Emperor travelled to a planet called Molech. There, the Emperor made a bargain with the Chaos Gods for power and knowledge. With this power, the Emperor became a god; with this knowledge, he created the primarchs. After obtaining this power and knowledge from the Gods, however, the Emperor broke the bargains he made with them. Seeking this power for himself, Horus enlists Mortarion (after facing Jaghatai in Book 28) and Fulgrim (after his ascension to daemonhood in Book 23) to help him retrace the Emperor's steps on Molech. Meanwhile, Garviel Loken is charged by Malcador to infiltrate Horus’ flagship, the Vengeful Spirit, to prepare the way for an assassination attempt on Horus by Leman Russ. Loken leads a band of Malcador's Knights Errant to the ship and reconnoiters the interior, marking the passageways in futharc, the Space Wolves' runes, for Russ’ eventual assassination attempt. Ultimately, the Knights Errants are discovered and confronted by the Sons of Horus. Many of the Knights Errants are slain but some escape and survive, including Loken. Molech is eventually conquered with the aid of the treacherous Knight House Devine, which has pledged itself to Slaanesh. While campaigning, Horus learns of a gateway to the Warp that was created and used by the Emperor to meet with the Chaos Gods in their own domain. As Horus searches for the gateway, a perpetual named Alivia Sureka races to seal it shut forever. Ultimately, she fails and Horus breaches the gateway. Although he is gone from the material realm for mere moments, centuries pass for Horus in the immaterium. In those centuries, Horus won a thousand kingdoms in the empyrean, defied the gods, slayed monsters, and denied every prize offered to him. He claimed the power that the Emperor had claimed, but without deception, without bargaining, and without any promise to honour. Returning to the material realm, Horus is now a god of his own making, beholden to no one. Ready at last to face the Emperor, he issues the order to march on Terra itself.

30. The Damnation of Pythos: Thinning the veil

The Damnation of Pythos occurs shortly after the Dropsite Massacre on Isstvan V. Remnants of the Shattered Legions (Iron Hands, Raven Guard, Salamanders) escape Isstvan and stumble upon the Pandorax System. One of the system's worlds, the death world of Pythos, is the source of a warp anomaly of great significance. The Shattered Legions decide to use it to strike back at the Traitor Legions. To do so, they must navigate the treacherous death world itself, the Ruinstorm trapping them in Pandorax, and their responsibility to the colonists and refugees that find their way to Pythos. Ultimately, the powerful daemon Madail manifests. In turn, Madail summons armies of deamons to the material realm. The planet falls to the daemons, who construct daemon starships from the remnants of the Shattered Legions' vessels. Although the Shattered Legions were able to send a one-word message to Terra as a warning before they were wiped out, the message is ignored by the Administratum.

Book 31 to Book 40

31. Legacies of Betrayal: Let the galaxy burn

Legacies of Betrayal is an anthology of short stories.

  • Brotherhood of the Storm is a precursor to Scars (Book 28). It focuses first on the budding friendship of Shiban and Torghun featured in Scars, as they wrap up the Chondax campaign. It also sheds light on Targutai Yesugei's psychic awakening on Chogoris and how he joined Jagahtai's khaganate. Finally, it records how Ilya Ravallion, the logistician from the Departmento Munitorum, came to join the White Scars.
  • The Serpent features a Davinite priest, Thoros, who overthrows a nascent Chaos cult, presumably on Davin itself in preparation for the coming age of darkness.
  • Hunter's Moon reveals the fate of the small pack of Space Wolves assigned by Malcador to guard Alpharius—or to slay him if he proved false.
  • Veritas Ferrum is a precursor to The Damnation of Pythos (Book 30), in which the Ferrum arrives at Istvaan while the battle is raging and then retreats in the face of certain annihilation.
  • Riven centers on the Iron Hand representative to the Crusader Host, Crius, who is tasked by Rogal Dorn with finding the remnants of the Iron Hands and bringing them back to defend Terra. Ultimately, Crius stumbles upon a band of Iron Hands who have employed cybernetic resurrection to bring back dead, near-mindless Iron Hands to fight in machine bodies. Joining them, Crius pledges to return to Terra when summoned.
  • Strike and Fade features four Salamander survivors fighting a guerrilla war on Istvaan V in the wake of the Dropsite Massacre.
  • Honour to the Dead depicts Titan warfare on Calth in the moments immediately following the Word Bearers’ treachery.
  • Butcher's Nails coincides/is a precursor to Betrayer(Book 24). It follows Angron and Lorgar's actions immediately prior to the launching of the Shadow Crusade. Notably, an Eldar assassination force attempts to kill Angron before he can become a Daemon Prince of Khorne.
  • Warmaster is a soliloquy given by Horus to the skull of Ferrus Manus.
  • Kryptos follows Nykona Sharrowkyn and Sabik Wayland as they conduct a mission on Cavor Sarta to capture a Kryptos, a bio-engineered coding device that will allow the Loyalists to intercept and decrypt Traitor communications.
  • Wolf's Claw sees Bjorn One-Handed (soon to be Fell-handed) commandeer Terminator armor from the Legion armory during the fighting in Alaxxes against the Alpha Legion.
  • Thief of Revelations sees Ahriman attempting to unravel the mystery behind the flesh-change of the Thousand Sons. Magnus refuses to help Ahriman in his pursuits, instead taking Ahriman on a journey through space and time. Magnus shows Ahriman the final battle of the Thramas Crusade, the Blood Angels' battle against the demons in the Signus Cluster, and the burning of Calth. Magnus says the time will come when the Thousand Sons must choose a side.
  • The Divine Word takes place two and a half years after the Raven Guard assault of the Perfect Fortress. Imperial Commander Marcus Valerion is having dreams again, this time of a hydra. His dreams lead him to victory in battle on Eusa. Feeling the emptiness of the war engulfing him, he finds solace in the Lectitio Divinitatus.
  • Lucius the Eternal Blade finds Lucius inexplicably alive after being killed on Iydris by Nykona Sharrokyn of the Raven Guard. In search of answers, he travels to the Planet of Sorcerers to face Sanakht, the best swordsman of the Thousand Sons. Just before Lucius lands the killing blow, however, Ahzek Ahriman intervenes.
  • The Eightfold Path references the World Eaters turning from the Crimson Path to a darker path. The Daemon Primarch Angron's howls trigger a killing frenzy in Kharne during what should have a been a duel only to first blood.
  • Guardian of Order centers on Zahariel as he revisits the Northwilds Arcology with Lord Cypher years after the events of Fallen Angels (Book 11) to determine whether the area is a suitable location for a new fortress. However, something stirs deep within the once-purged tunnels. Fleeing the tunnel, Zahriel must raise the alarm: The Ouroboros is returning.
  • Heart of the Conqueror features the sacrifice of Nisha Andrasta, Navigator of the World Eater's flagship, Conqueror. On board, the Daemon Primarch Angron warps the machine spirit of Conqueror and infects the entire ship. While connected to the ship and sailing through the warp, Nisha ends her own life, tearing the Conqueror from the warp in a cascade of screaming, tortured metal.
  • Censure follows Aeonid Theil's guerrilla war on Calth and his attempt to escape the dead planet and return to the war at large.
  • Lone Wolf previews Bjorn the Fel-handed's climactic duel against his daemon nemesis, Arvax.

32. Deathfire: Into the Ruinstorm

After a seemingly miraculous rescue by the Ultramarines, Artellus Numeon, once captain of the Pyre Guard, urges the Salamanders on Macragge to depart Imperium Secundus and return their primarch's (seemingly deceased) body to the home world of Nocturne — there to attempt his resurrection in the fires of Mount Deathfire. But to do so they must brave the madness of the Ruinstorm, and Numeon has to decide what has to be done to bring Vulkan back from the grave...

33. War Without End: Heresy begets retribution

War Without End is an anthology of short stories.

  • The Devine Adoratrice expands on the backstory of the Knight House of Devine on Molech, focussing on how the Knights of the Imperium work, and how they were so easily corrupted by Fulgrim during the Battle of Molech.
  • Howl of the Hearthworld focuses on a pack of Space Wolves that are assigned to watch over Rogal Dorn on Terra. But they're not the only ones watching...
  • Lord of the Red Sands: Angron has a heart-to-heart with one of his World Eater captains on Istvaan III (a Loyalist one), where his past and his reasons joining Horus is given detail.
  • Artefacts: Set before the Dropsite Massacre, Vulkan and his Master of the forge discuss the nature of the Primarchs, how he tried to save Konrad Curze following the destruction of Nostramo, and how with Horus' betrayal now plain to all, he's going to deal with his secret vault of unique weaponry (hint: only seven will survive)
  • Hands of the Emperor: The Imperial Fists and the Legio Custodes clash over the responsibilities of securing Terra in preparation to Horus' inevitable attack.
  • The Phoenician: through the viewpoint of Iron Hand's First Captain Gabriel Santar's dying moments after his duel with Julius Kaeseron at the Dropsite Massacre, the death of Ferrus Manus and what immediately follows is observed.
  • Sermon of Exodus: Across the desert wastelands of Davin, the followers of Chaos prepare to depart the planet. Prequel to The Damnation of Pythos.
  • By The Lion's Command: Continuing his hunt for the infamous Typhon of the Death Guard following Perditus, Seneschal Corswain must decide the fate of an independent planet in a war where there can be no innocent bystanders.
  • The Harrowing: A textbook Alpha Legion assault is conducted upon Callistra Mundi (which is anything but textbook).
  • All That Remains: A group of shell-shocked/warp-shocked soldiers of the Imperial Army are given an offer by a grey-armoured giant that they simply can't refuse...
  • Gunsight: Following the events of Nemesis, a surviving Imperial Assassin hunts down the Warmaster within the bowels of the Vengful Spirit. Unfortunately, he's not the only hunter inside the ship, and not all of them are flesh and blood...
  • Allegiance: Following his rescue by the White Scars in Scars (Book 28), Revuel Arvida of the Thousand Sons Corvidae must decide his allegiance in the unfolding civil war, amidst the trails of those Khans who were part of the Lodges.
  • Daemonology: Following his disastrous mission to persuade Jagathai to join Horus, a weak and scared Mortarion of the Death Guard rampages across the remnants of Magnus' domain. On the library-world of Terathalion, he interrogates an archivist called Lermenta, but the ensuing discussion forces Mortarion to confront his history with father and Malcador, his own suppressed psychic potential, and his position of having to accept his place among the Lost and the Damned.
  • Black Oculus: Serving as the connective between Angel Exterminatus and Tallarn, this short story is told through the view point of the navigators of the Iron Blood, and what changes on the physical, mental and metaphysical level they undergo on their journey out of the Eye of Terror.
  • Virtues of the Sons: Before the Heresy begins, a concerned Sanguinius organises educational duels for Captains Azkellon and Amit to understand the twin aspects of their nature, so that they will be ready for the coming trials of their Legion.
  • The Laurel of Defiance: With the Shadow Crusade scattered and Imperium Secundus on the rise, an Ultramarines Captain reflects on his nature on and off the battlefield, and what might have been had the Heresy not happened.
  • A Safe and Shadowed Place: Following the catastrophe of the Thramas Crusade, and with the Night Haunter and First Captain Sevatar missing, Gendor Skraivok plots his next course of action against the Imperium, with his gaze falling upon Sotha as a suitable target.
  • Imperfect: Fulgrim with the aid of Fabius tries to find the possibility of Ferrus Manus joining Horus, involving regicide, metal gauntlets, clones, an increasing number of homicidal rages, and a secret sequestered in the depths of the Traitor Apothecary's laboratory...
  • Chirurgeon: While conducting a confidential surgery, Fabius of the Emperor's Children reflects on the time before Fulgrim, when the Gene-Blight ravaged the IIIrd Legion, and of a deadly secret that the apothecary has tried very hard to keep buried...
  • Twisted: A closer look at the Maloghurst, emissary of the Warmaster Horus as he navigates the changing nature of the XVI Legion where rivalry and personal ambition run rampant, and to contend with a daemonic plot thrown into the bargain, the Twisted is going to have to make alliances with factions more twisted in soul than in body...
  • Wolf Mother: Following their escape from Horus' conquest of Molech, the Perpetual Alivia Sureka must ally with Knight-Errant Severian to finish off the malicious Serpent Cult once and for all to save her daughter.

34. Pharos: The dying of the light

With the Ruinstorm unabating, Imperium Secundus stands as a lone beacon of hope for the Eastern Fringe even as Horus's galactic war continues to rage. At the centre of this endeavour, the mysterious Mount Pharos on Sotha holds the key to Secundus' success. But the cruel and slowly-changing Night Lords make ready to launch their long-planned attack on the Pharos itself, and the tormented Konrad Curze makes moves to confront his brother the Emperor Sanguinius. The resulting battles could lead to dark consequences for all life in the galaxy...

35. Eye of Terra: I am the Emperor's vigilance

Eye of Terra is an anthology of short stories.

  • The Wolf Of Ash And Fire: At the height of the Great Crusade, Horus Lupercal and the Emperor attack the ork-held planetoid of Gorro. If they win, Ullanor awaits...
  • Aurelian: During the first complete gathering of the Traitor Primarchs while the ashes of the Dropsite Massacre are still cooling, Lorgar confronts Horus about the forceful possession of Fulgrim. Lorgar also gets into an argument with Magnus, where the events of Lorgar's Pilgrimage into the Eye of Terror are told.
  • The Long Night: Following his capture by the Dark Angels, Jago Sevetarion languishes in the gaol cell in the depths of the Invincible Reason. Suffering from delibitating headaches and talking to ghosts in his cell, the Night Lord has finally had enough of Horus, the Emperor, and his own Primarch, desiring to become an agent of justice once more. But in order to start on that path, he's going to use his 'talent'...
  • Massacre: the Dropsite Massacre, as seen through the eyes of Talos and First Claw.
  • Brotherhood of the Moon: On trail by his Legion, Torghun Khan must account for the events that lead him to the Lodges and the rebellion that nearly consumed the White Scars Legion.
  • Inheritor: Torquill Eliphas of the Word Bearers attacks the Ultramar world of Kronus with the World Eaters at the height of the Shadow Crusade, seeking to harness the power of the warp.
  • Vorax: a quick read that details the blockade of Mars following the Schisim, and where a traitor ad-mech is hunted by the Vorax Battle-Automata.
  • Ironfire: Following his failed siege at Schadenhold, a broken Idriss Krendl attempts to redeem himself by conducting a prototype strategy against another fortress on Euphorus, but with the Emperor's Children as his targets.
  • Red-Marked: Aeonid Thiel leads a squad of rogue Ultramarines in defending the borders of Imperium Secundus, and against internal plots to bring the XIII Legion down from within.
  • Master of the First: The disgraced Chapter Master Astelan of the Dark Angels begins to maneuver his way back into a position of power again on Caliban. One way or another, Luther is going to have to carve out more cells...
  • Stratagem: Aeonid Thiel and Roboute Guilliman discuss a new treatise of war following the Battle of Calth, the Underworld War and the Shadow Crusade.
  • Sins of the Father: During the Tempest of Angels, Sanguinius considers the possible destinies of Azkaellon and Amit.
  • Herald of Sanguinius: With Sanguinius crowned Emperor of the Imperium Secundus and the threat of assassination everywhere, Azkaellon has to contend with having to protect his primarch. Even if it means putting one of his own into the line of fire both literally and symbolically.
  • The Eagle's Talon: Imperial Fists storm a warship in Tallarn's orbit, resorting to unthinkable tactics to achieve victory.
  • Iron Corpses: Amidst the destruction of the Eagle's Talon, Warsmith Koparnos turns to the Titans to survive, all the while feeling overwhelmed by the futility of the campaign and the greater civil war.
  • The Final Compliance of Sixty-Three Fourteen: an Imperial Governor of a compliant world must decide whether to follow the primarch which conquered his world years before, or to defy him.

36. The Path of Heaven: Riding Out from the Storm

Following the events of Scars (Book 28), four years have passed and the White Scars are fully committed to fighting the Traitor Legions as they begin their march to Terra. But they have been slowly and surely hemmed in by burgeoning Warp Storms and the might of four legions deep in the galactic north. Caught betweens this opposition and the internal psychological damages his legion is suffering from attrition warfare, Jagathai Khan and his allies turn their efforts to uncovering another path to Terra, one that unearths secrets of the divided Navis Nobilite and the Emperor Himself. But the much-changed Emperor's Children under a resurrected & mutated Eidolon and the growing darkness of the Death Guard under Mortarion are hot on their heels, and to open the Path of Heaven not all will see the Heresy to the end...

37. The Silent War: Chosen of the Sigillite

The Silent War is an anthology of short stories surrounding Malcador's role in the Horus Heresy after the events of Galaxy in Flames

38. Angels of Caliban: Emperors and slaves

Angels of Caliban tells the story of The Lion's hunt to find his brother, Primarch of the Night Lords Konrad Curze, across the 500 worlds of Ultramar whilst juggling the responsibilities of being the Lord Protector of Imperium Secundus. Simultaneously, the ever-deepening divide of Luther from the first legion takes shape in the book, with definitive decisions being made that will permanently shape the future of The Order and life on Caliban, outside of the watchful eye of Terra and The Lion.

39. Praetorian of Dorn: Alpha to omega

Rogal Dorn and the VIIth Legion have been stationed on Terra since the beginning of Horus' betrayal, tasked with securing a fractious Solar System and Terra in preparation for the inevitable assault. Now, the Solar System comes under attack for the first time since the war began by the Alpha Legion, and many of the seemingly impregnable defences wrought by the Imperial Fists prove inadequate. With all eyes fixed firmly upon this new threat beyond the gates of Terra, Dorn must prepare for a fight that will test him to the limit, and force him to confront the prices that will need to be paid and the allies he needs if he is to hold Terra unto the end.

40. Corax: Nevermore

A collection of short stories and novellas that document and detail Corax's bitter guerilla war against the Traitors following the Dropsite Massacre and the Battle of Ravendelve, and his desperate attempts to hold his legion together. But none shall emerge from the Heresy unscathed, and for the Raptors a tragic fate awaits...

Book 41 to Book 54

41. The Master of Mankind: War in the webway

While Horus’ rebellion burns across the galaxy, a very different kind of war rages beneath the Imperial Palace. The Emperor of Mankind, alongside the ‘Ten Thousand’ Custodian Guard, the Sisters of Silence and the Mechanicum forces of Fabricator General Kane, fight to control the nexus points of the ancient eldar webway that lie closest to Terra, now infested by daemonic entities after Magnus the Red's intrusion. But with traitor legionaries and corrupted Battle Titans now counted among the forces of Chaos, and a malevolent entity of the Warp circling the field, the noose around the Throneworld is slowly tightening. And for the Emperor, He must confront His enigmatic past and ultimately decide whether to hold onto His failing dream, or accept the Age of Darkness that He had a hand in bringing forth to the Imperium.

42. Garro: Weapon of fate

A connected anthology of short stories that focuses on Garro following the Flight of the Eisenstein (Book 4) during the Silent War. Now a Knight Errant and Agentia Primus of Malcador the Sigillite, Garro is sent on a number of clandestine missions from the desolations of Calth and Isstvan to the halls of the Imperial Palace itself. Incidentally, Garro is also walking a path of his own, one that leads him to both the secrets of Malcador's 'Othrys' project and the growing Lecticio Divinitatus cult, and to question his own place in the Imperium both in the current civil war and what might emerge when it is over.

43. Shattered Legions

44. The Crimson King: A soul divided

Following the razing of Prospero, Magnus the Red now refuges on the aptly unnamed Planet of the Sorcerers, deep within the Eye of Terror. the remnants of the Thousand Sons Legion realise that Magnus was effectively shattered following his fight with Russ – his mind and memories are slipping away into the tumult of the warp. In desperation, Ahzek and Amon (and a very unwilling Lucius) travel to the scenes of Magnus' greatest triumphs and tragedies in hope to restore him once more. But to do so, they must confront hunters of both the Space Wolves and the Knights Errant, along with their own internal strife of the returning flesh change and the decision of whether to join Horus to besiege Terra.

45. Tallarn: War for a dead world

Following their escape from the Eye of Terror (as detailed in Angel Exterminatus and Black Oculus), Perturabo and the Iron Warriors Legion unleash hell on the verdant world of Tallarn, reducing it to a wasteland even as the largest armoured conflict in the Heresy is enacted on its surface. But Perturabo has more in mind than simple punitive destruction – and his growing curiosity into the powers that enacted Fulgrim's ascencion will draw ire from both his adversaries on the stricken planet, and his allies in the Host of the Warmaster...

This book is a collected Anthology of Short Stories and Novellas released over the course of the series:

  • Tallarn: Witness Follows the internal musings of the new governor-militant of Tallarn following the campaign, surveying the graveyard left behind and the price paid for victory on the planet.
  • Tallarn: Executioner Features the initial bombardment and opening stages of the Battle, through the eyes of a once-mighty armoured regiment stationed planetside.
  • Tallarn: Siren Focuses on Loyalist forces enacting a desperate mission to locate the last astropath on the planet following the extraction of the Iron Warriors.
  • Tallarn: Ironclad follows Argonis, emissary of the Sons of Horus as he is dispatched to Tallarn alongside a member of the new Dark Mechanicum to bring the wayward Iron Warriors to heel, with the duplicit aid of Alpha Legion operatives and an agent of the Officio Assassinorium.

46. Ruinstorm: Destiny unwritten...

Roboute Guilliman, Lion'El Johnson, and Sanguinius have abandoned the Imperium Secundus and make for Terra, bringing the prisoner Konrad Curze along. Doing so, however, requires them to traverse the Ruinstorm, a raging warp storm which makes passage all but impossible. The three primarchs each face their own temptations and trials throughout the journey through warp, both physical and spiritual. Epic, solar-system sized obstacles situated in both realspace and warpspace prevent their passage, and the three legions must work together to overcome each one. The story's climax centers on Chaos Undivided's attempt to turn Sanguinius to their will. The demon lord Madail presents an unthinkable ultimatum to the Angel. In the throes of his temptation, Sanguinius is burdened with foreknowledge which obscures the righteous path, and the final fate of Konrad Curze.

47. Old Earth: To the Gates of Terra

Old Earth tells the story of the newly resurrected Vulkan, who is compelled to leave his homeworld and his legion behind and return to fulfill his destiny at Terra. To break through the ruinstorm, which is keeping the throneworld inaccessible via the warp, he must make use of ancient Eldar pathways, where humans are not welcome. En route he seeks aid from Shadrak Meduson and the Iron Tenth, who continue to harass the traitorous Sons of Horus with guerrilla tactics. But Shadrak is facing internal resistance to his attempts to revitalise the Iron Hands, while at the same time seeking a showdown with his nemesis Tybalt Marr.

48. The Burden of Loyalty

49. Wolfsbane: The wyrd spear cast

Leman Russ, following the disasters of Prospero and the Allaaxes Nebula, departs Terra (just as Sanguinius arrives following the events of Ruinstorm) in order to punish his traitorous brother Horus. But in order to be ready to confront his much-changed brother, Leman needs to journey into the depths of his homeworld, and come to terms with the burdens of his duty as the Emperors' Executioner, his Spear that never wants to leave his side, and the realities of his nature as a Primarch. Following that, a death-or-glory assault on Horus' vanguard fleet at the gates of the Segmentum Solar awaits, and for the Lord of Winter and War, a faint, fleeting hope that not all of Horus Lupercal is lost to Chaos...

50. Born of Flame: The Hammer and the Anvil

51. Slaves to Darkness: Chaos undivided

With the conquest of the Beta Garmon system, the traitors are at last close upon Terra. However, Horus' injury back in Wolfsbane reopens, leaving the internal divisions of the now-barbaric Sons of Horus to yawn wide. While Mortarion is sent on ahead as the fleet's vanguard, it falls to Lorgar and Perturabo to marshal Fulgrim and Angron, both now elevated to daemonhood and beyond even the will of the Warmaster to command. With Guilliman and the Lion returning with all haste, and with Chaos working against them, Maloghurst has to find the means to hold his fractious Legion together and wrench Horus himself from the edge of oblivion by any means necessary. For the greatest battle the galaxy has ever known looms, and hosts of the Warmaster must unite at Ullanor, for only together can the Siege of Terra truly begin.

52. Heralds of the Siege

53. Titandeath: The God Machines cometh

Set between Wolfsbane and Slaves to Darkness, Titandeath expands on the epic struggles of the Titan Legions in the Beta-Garmon Cluster, the so-called Gate of Terra. With the Ruinstorm fading, With Horus leading the campaign, it's only a matter of time until the system falls, despite the presence of Sanguinius and Jagathai Khan. But the Traitor Titan Legions are becoming corrupted by Chaos, and it soon becomes apparent that even Horus is not immune to its malignant predations. Also expands on the nature of the Titan Legions, the princeps and their beliefs in the Omnissah.

54. Buried Dagger: Doom of the Death Guard

The Buried Dagger is set immediately before the events of the Siege of Terra, and follows the Perspective of the "Death Guard" Legion. The book is divided into three distinct parts, the first is the narration of Mortarion, Primarch of the Death Guard, about his childhood on Barbarus, a planet with a toxic atmosphere and ruled by tyrannical warlords, and his attempt to liberate its people, culminating with meeting the Emperor, who kills the last Warlord, as Mortarion risks finally succumbing to the poisonous atmosphere. The second part, however, is set prior to the Siege of Terra, and follows Mortarion and the Death Guard slowly succumbing to debilitating diseases as their ships malfunction in a journey through the Warp. It is revealed at the end that Typhus, who Mortarion had known since Barbarus, had sabotaged the systems to become favoured of the Plague God Nurgle. This part of the story ends with a mirror of the first, as Mortarion swears loyalty to Nurgle, before he succumbs to the diseases that would otherwise condemn him to undeath. The third part of the story is largely unrelated to the Death Guard, and follows Garviel Loken and Nathaniel Garro, alongside several other characters, as they form the Grey Knights Chapter of Space Marines upon the eve of the Siege of Terra.

Book 55 Onwards: Siege of Terra

55. The Solar War

The Siege of Terra commences with the colossal void war between the Traitors and the Loyalists in the Solar System, and to break through Dorn's walls across the planets and moons Horus will have to conduct strategies both standard and soul-churning to reach Terra on time. Amidst the fighting, former remembrancer Mersadie Oliton desperately searches for a way back to Terra, a disgraced Sigismund seeks atonement through battle, Abaddon cleaves out a path laid out for him by both his primarch and darker powers, and Ahriman prepares a ritual that might determine the success of the Traitors. And above all these stories and struggles, in the plane of the Warp, an old man looks at the fading fire of his dream as wolves and worse begin to circle...

56. The Lost and the Damned

With the Solar System now in Horus' clutches, the bombardment of Terra begins. But in order to reach the walls, Horus must contend with the ground defences and bastions outside the Palace, as well as the self-sustaining void-shield of the Aegis. An immense ground war follows, where the front lines quickly devolve into a hellish nightmare and the daemonic abilities of the ascended Mortarion and Angron slowly grind away at the defences. But more than the Walls and the Loyalist Primarchs are needed to be tackled to gain entry, and Abaddon has to contend with the divisions to the Traitor forces while Horus continues his psychic assault upon the Emperor even as his body is being slowly consumed by Chaos. On the other side of the Walls, the Loyalists are confronted by the issues of refugees, embattled defences, the malefic use of the Warp and having to prepare to make hard choices in the ensuing Siege. Thankfully, Guilliman is coming, but is he going to make it in time?

57. The First Wall

With the outer defences now fallen, Horus has two new tasks: claim the Lion's Gate Spaceport from the Imperial Fists, and get the Daemonic Neverborn of Chaos on Terra. The former task he orders Perturabo and the Iron Warriors to complete, the latter to his personal Dark Apostle Zardu Layak. But neither task is going to be easy to complete for either, and both will have to make hard choices to overcome the First Wall. Dorn has a plan to counter the Traitors if that happens. Unfortunately, so does Horus...

58. Saturnine

With battle now joined in earnest, the Traitors under the command of Perturabo begin to look for ways to breach the outer wall of the Imperial Palace. Rogal Dorn on the other hand must begin to make hard choices to keep the palace secure until Roboute arrives, and in opposition to his growing desperation creates an order of scholars to document (and conceal if necessary) the history of the civil war. A multi-dimensional chess game between both side ensues for a weakened section of the wall (designated Saturnine) that will decide whether the palace will continue to hold, or fall with a single stroke. But not all is bound to the Siege, and in the depths of the Palace and far beyond it, secrets and lies are brought to light...

59. Mortis

The Palace holds, but with the Lion's Gate & Eternity Wall Spaceports in his hands, Horus unleashes the Legio Mortis Titans upon Terra. The continued fighting also allows the powers of Chaos to wax, dragging defenders into a quagmire of despair and desperately seek out false paradises that are far worse than death. With the Traitor Titans and the Loyalist Legio Ignatum set on a collision course at Mercury Wall and a sealed order from the Emperor given to Dorn, outside the Palace Paladin Corswain of the Dark Angels must make a desperate ploy that might change the course of the Siege, and the Perpetual Ollanius Persson must journey through the tortured insanity of the warp and his own memories if he and his allies are to reach Terra and his unknown future...

60. Warhawk

As the Palace defenses continue to weaken both physically and metaphysically, Jaghatai Khan makes a dangerous gambit to retake the Lion's Gate spaceport from a mutated Mortarion and the now-fully corrupted Death Guard. Meanwhile, those inside the walls face their own set of challenges – Dorn struggles with the continued burden of strategy, Sigismund finds the path that will herald a new breed of warriors, Keeler finds a new (and much darker) perspective for the hope of the Imperium, and an internally conflicted Valdor goes on the hunt.

61. Echoes of Eternity

The Lion's Gate Spaceport is retaken, but the majority of the Palace and Terra has now fallen to the Traitors. Angron, Daemon Primarch of the World Eaters and now Herald of Horus following Mortarion’s defeat, spearheads the carnage though the fire and ash of Terra's dying breaths. In the wake of the Red Angel and the armies of the damned, Chaos is preparing to change Terra into an image more to its liking (and less to the Loyalists' sanity). With the Khan on the edge of death, Dorn beleaguered at the Bhab Bastion, and Guilliman (seemingly) not going to make it in time, it falls to Sanguinius – fated-to-die and the Angel of the Ninth Legion – to rally the defenders and refugees for one more stand at the Delphic Battlement, the very walls of the Sanctum Imperialis, and paint the golden Eternity Gate blood red if he must if it means the Traitors shall not pass.

62. The End and the Death, Volume I

The Warp has caused all time on Terra to stop, and victory is in the Warmaster's grasp. But Guilliman's reinforcements are mere hours away, so Horus orders the shields of his flagship, the Vengeful Spirit, to be lowered in order to lure the Emperor into a direct confrontation. At the same time, Ollanius Persson and his "Argonauts" reach the Palace, hoping to warn the Emperor that Horus' power has grown to the point where he will sacrifice humanity to become a new God of Chaos, "the Dark King". When he arrives, he is met by Vulkan, who tells him he is too late: The Emperor, accompanied by Dorn, Sanguinius, Valdor, and their best warriors, has already teleported aboard the Vengeful Spirit to confront the Warmaster. Garviel Loken, who seeks to confront his father Horus, also manages to make his own way aboard.

63. The End and the Death, Volume II

The Emperor and his companions are separated aboard the Vengeful Spirit, which has become infused with the growing power of the Warp. It soon transpires that the Dark King is not Horus, but the Emperor Himself, who has tapped into the Warp for the power to defeat Horus and his dark patrons. Persson and Loken appeal to the Emperor not to become Chaos in order to defeat it, and the Emperor ultimately relents, releasing the Warp power he had accumulated. Meanwhile, Sanguinius is met by the shade of his fallen brother Ferrus Manus, the Primarch of the Iron Hands, who guides the Angel to his final confrontation with the Warmaster. In a gruelling battle, Horus kills Sanguinius and crucifies his corpse in the Lupercal's Court. The death of their Primarch drives the Blood Angels into insanity, fighting friend and foe alike.

64. The End and the Death, Volume III

The Emperor finally confronts Horus on the bridge of the Vengeful Spirit. Horus mortally wounds the Emperor, but hesitates when Loken attempts to appeal to his humanity. The Chaos Gods, frustrated with Horus' belief that he was in control, withdraw their blessings from him at a critical moment. Realizing he had been a pawn of Chaos all along, Horus begs the Emperor to kill him. Using Persson's Athame blade, the Emperor destroys the Warmaster body and soul. With the death of Horus, the Warp around Terra dissipates, and time resumes. Dorn, Valdor, and their warriors arrive to find the Emperor near death and return him to Terra, while Loken remains with his fallen Primarch just as Abaddon and his warriors arrive. Abaddon and Loken elect to peacefully part ways, but Loken is killed by Erebus, who explains that his death was necessary for the Daemon Samus to be born in the Warp. The Emperor is installed into the mechanism of the Golden Throne, paving the way for the next ten thousand years...

Media and editions

Series titles are released in multiple versions: in print as paperbacks and hardcovers (with paperback editions printed in mass-market and trade formats); as e-books; and as either abridged or unabridged audiobooks and e‑audiobooks (respectively, in compact disc and audio file formats – the Black Library has partnered with specialist UK company Heavy Entertainment for audio production).

As of April 2013, print editions were generally between 400 and 500 pages, though some mass market versions have rendered in more; total series length in first paperback edition was about 10,600 print pages (24 titles). Digital editions ranged in size from less than a megabyte (some e‑book releases) to over a gigabyte (some e‑audiobook releases); the totals run from a low of about 10 MB (for 22 e-book titles, in EPUB format) to a high of about 11 GB (for 13 unabridged titles, in MP3 format). Durations of audio versions spread from about 6 hours for the abridged editions to anywhere between 11 and 19 hours for the unabridged editions; the total length of the unabridged edition was about 168 hours, divided among 13 titles. CD audiobooks were published in packages of 5 discs per abridged title; two unabridged titles were available on CD, with the longest packaged in 13 discs.

Outside the UK, series titles are published in several countries and languages by Black Library divisions or as co-editions with local associates. As of April 2013, other-language renditions lagged the English-language series in the number of released titles, and had followed distinct publication schedules and release sequences. Also as of April 2013, editions in other languages were published in paperback and e‑book formats.

Starting November 2010, new titles have often been released simultaneously in multiple media; occasionally since then, new titles' digital or audio releases have preceded the print versions, in reverse of previous practice (see table "Published" above). Stories in series compilations have also been published individually, as e‑books, and as MP3 or CD "audio shorts".

Series stories have appeared in whole or in part in other Black Library publications, sometimes before the corresponding series books have become generally available; prepublications have included stand-alone releases of compilation stories. "Prerelease" copies of series volumes have been regularly offered months before official publication, in Games Workshop- and Black Library‑sponsored events such as the various Games Days.

There have been a number of special editions and bundles published in a variety of media; bundles have included the "Horus Heresy Collections", which mix editions and media of the same or different titles. Certain special editions are available in limited distribution months before the release of the corresponding regular, or wider-release, versions.

The books' cover art has been separately released, in poster and other formats. Series bundles and special offers have also contained the separate artwork releases of the included titles.

"Premium" editions

English-language series releases include publishing of the titles in special "premium" editions: "Premium Hardback" (print) and "Enhanced Ebook" (digital). These versions contain additional material and artwork, and are published several months before their general-availability or regular edition counterparts. The first title to appear in "premium" editions, in October 2012, was Angel Exterminatus (Book 23). The earlier catalogue of the series is also republished in these editions, again beginning October 2012 with the series-opening novel trilogy.

Other special editions (selections)

  • Horus Rising – Dan Abnett. "5th Anniversary Edition" to mark the 5‑year publishing history of the series. With "'titanium blue' foil treatment on the cover" and it includes "an exclusive new introduction by author Dan Abnett" – April 2011
  • Limited Edition Horus Heresy Audio Boxset – Dan Abnett, Ben Counter, Graham McNeill. Contains the abridged CD‑audio versions of the series' opening trilogy narrated by Martyn Ellis. Abridged by Christian Dunn. Includes an exclusive bonus CD containing the short story "Little Horus" by Abnett, from the Age of Darkness compilation, also read by Ellis. Total duration is about 18 hours, contained in 16 discs. Edition limited to 2,000 copies worldwide – November 2011
  • Xmas 2011 Horus Heresy eBundle – Series authors. E‑book edition of the first 17 Books in the series. One of several series bundles, this was offered as a "Christmas 2011 Special" – November 2011

Reception

Several novels in The Horus Heresy series have appeared in UK and US science fiction charts, have occupied high positions in Nielsen BookScan genre lists, and since early 2010 have often charted in The New York Times Bestseller List for mass-market paperbacks.

Critical reception of individual titles has been mixed, yet the general tone of reviews has been mostly positive. Although the series overall has been viewed favourably, there have been complaints about its length, the multitude of characters and narrative threads, and the timeline jumps or repetitions caused by the nonlinear storytelling. The evolving series is said to have gradually acquired a backstory and terminology of its own; this has led reviewers to question the accessibility of individual stories to new or casual readers.

Sales

Early in its publishing history, the series became a sales success in its category. Horus Rising by Dan Abnett, the opening title, set the pace shortly after its release, topping Locus magazine's "Locus Bestsellers: Gaming-Related" list of August 2006; as of Book 22 (September 2012), practically every title in the series had achieved the same or similar performance on this chart. Horus Rising's January 2011 CD audiobook release also appeared in ranked sales lists: the (abridged) edition was number 15 in a related chart published by The Bookseller, covering 2011 UK sales up to September.

Legion by Abnett, and Battle for the Abyss by Ben Counter, were listed in Nielsen BookScan's list of top‑20 fictional works by small publishers for the year ending 23 August 2008; the books appeared in eighth and sixteenth place respectively. The next published title, Mechanicum by Graham McNeill, entered The Bookseller's "Top 20 Fiction Heatseekers" chart of 5 December 2008, shortly after its release, at number 10; series titles have consistently appeared in this list.

A Thousand Sons by McNeill was released in February 2010 and arrived at number 22 on The New York Times Bestseller List, the first ever novel on the Black Library imprint to do so. Nemesis by James Swallow followed, reaching number 26 on the List in August 2010. The First Heretic, by Aaron Dembski‑Bowden, reached number 28 in the weekly chart in November 2010 and stayed on the List for a second week, at number 33. Abnett's Prospero Burns was next, reaching number 16 in January 2011; this title also topped a science fiction and fantasy book chart published by The Times (London) in March of the same year.

The compilation Age of Darkness, edited by Christian Dunn, also entered The New York Times Best Sellers List, in May 2011, at number 31. Book 19, Know No Fear, again by Abnett, continued the trend: it appeared at number 21 in March 2012. It was followed on the List by the next series title, The Primarchs, a compilation edited by Dunn, which occupied position 29 during the week of 17 June 2012; in addition, The Primarchs had placed first in Publishers Weekly's science fiction bestsellers listing for the week of 28 May 2012. In September 2012 Fear to Tread by Swallow entered The New York Times Best Sellers List at number 13, at the time the highest entry on that chart for a series novel; the book remained on the List the week after (week of September 23), at number 33.

Related works

Between the late–1980s introduction of the Horus Heresy and the start of this series publication in 2006, Games Workshop and affiliates released Horus Heresy-branded products that expanded the concept's standing as Warhammer 40,000 background material. The release of such works, which include literature independent of this series, continued as of 2013; the works may relate to it as prequels, sequels, or expansions of its stories.

Pre-series Horus Heresy literature and other related works may have been superseded or rendered obsolete, while other similar material may no longer be authoritative even as it remains in Horus Heresy and Warhammer 40,000 canons; still other non-series Horus Heresy material has been eventually incorporated into the work.

A significant development was the 2012 initial release of the Horus Heresy miniatures wargame expansion, which repositioned the concept as a foreground element within the Warhammer 40,000 gaming system – while highlighting the importance of the Horus Heresy to Games Workshop's product lineup and the related universe. The expansion is reputedly developed in coordination with the book series, and includes new material and information about the Horus Heresy and the fictional universe; it joins the series and other works as an authoritative source of Heresy material and Warhammer 40,000 background.

The Black Library and Games Workshop have released novels, game rulebooks, and other products not branded or classified as Horus Heresy, yet directly relating to story arcs or events described in the series. An example is listed in the section below.

Selections

  • Collected Visions: Iconic Images of the Imperium, Betrayal and War – Alan Merrett (writer), John Blanche (conceptual art), Nick Kyme and Matt Ralphs (editors), and many additional contributors. Omnibus edition of the four-volume Horus Heresy art book series (2004–06); it outlines the entire Horus Heresy in art and prose. As of February 2013 it was partially superseded, amended, or expanded by the continuing book series and the newer Horus Heresy rulebook series (see below). As of the same month it remained the most comprehensive official roadmap for the complete Heresy storyline – June 2007
  • Battle of the Fang – Chris Wraight. Warhammer 40,000 novel in the Space Marine Battles series. The story takes place a thousand years after the Horus Heresy, and is a continuation of the arc presented in Books 12 (A Thousand Sons), and 15 (Prospero Burns) – June 2011
  • Aurelian – Aaron Dembski‑Bowden. Subtitled The Eye stares back, this "Horus Heresy novella" is part of a story arc along with The First Heretic, Book 14 in the series – October 2011
  • Betrayal – Alan Bligh (writer), and Forge World artists and designers. "Volume One" in the Horus Heresy rulebook series. This series is part of the stand-alone Horus Heresy expansion for the Warhammer 40,000 game system; the expansion is produced by Games Workshop modelling subsidiary Forge World. Betrayal is centered on the events of Isstvan III, also described in Galaxy in Flames, Book 3 of the book series – September 2012

See also

Notes

  1. "GW announces the actual final Horus Heresy book, for real". Wargamer. 2024-01-08. Retrieved 2024-01-31.
  2. Gronli, Jonathan (November 20, 2008). "Horus Heresy novel series wrapup". Technology Tell. Archived from the original on May 7, 2016. Retrieved May 19, 2013.
  3. ^ Merrett 2007.
  4. McNish, Cliff (May 19, 2011). "Cliff McNish's top 10 most frightening books for teenagers". The Guardian. Archived from the original on August 21, 2011. Retrieved May 19, 2013.
  5. Wolff, Karl (6 September 2009). "Book Review: Descent of Angels (The Horus Heresy, Book 6) by Mitchel Scanlon". Blogcritics. Archived from the original on 26 October 2014. Retrieved 14 January 2016.
  6. ^ Troke, Adam; Vetock, Jeremy; Ward, Mat (2012). Warhammer 40,000 Rulebook (6th ed.). Nottingham: Games Workshop. ISBN 978-1-907964-79-4.
  7. Back cover blurb of The Solar War by John French, Book I of The Horus Heresy: Siege of Terra
  8. "Black Library & Warhammer Digital - Book 39: Praetorian of Dorn (MP3)". Archived from the original on 2016-08-24. Retrieved 2016-09-03.
  9. French, John (2018-02-27). Praetorian of Dorn. Games Workshop. ISBN 978-1-78496-642-3. Archived from the original on 2016-09-23. Retrieved 2016-09-03.
  10. Abnett, Dan (2006). Horus Rising. Black Library. ISBN 1-84416-498-5.
  11. Abnett, Dan (2008). Legion. Black Library. ISBN 978-1-84416-536-0.
  12. Scholes, Sandra (6 March 2013). "Horus Rising by Dan Abnett. Book review". British Fantasy Society. Archived from the original on 8 March 2013. Retrieved 14 January 2016.
  13. Gronli, Johnathan (22 August 2008). "Gamertell Review: The Horus Heresy: False Gods by Graham McNeill". TechnologyTell. Archived from the original on 21 April 2016. Retrieved 14 January 2016.
  14. Brief review of the abridged CD-audio edition: Internet Bookwatch 2012 (positive).
  15. Review: Rhoads 2012 (mostly positive).
  16. ^ In some editions, Book 5 is subtitled The last Phoenix, see Fulgrim: the last phoenix in libraries (WorldCat catalog). Retrieved February 7, 2012; the subtitle Visions of treachery is also the title of Book 3 in the Horus Heresy art book series.
  17. Review: Wolff 2009 (neutral).
  18. ^ In some editions, Book 9 is subtitled Knowledge is power, see Mechanicum: in libraries (WorldCat catalog). Retrieved February 7, 2012.
  19. Review: Wolff 2011 (positive).
  20. "Blood Games" by Dan Abnett; "Wolf at the Door" by Mike Lee; "Scions of the Storm" by Anthony Reynolds; "The Voice" by James Swallow; "Call of the Lion" by Gav Thorpe; "The Last Church" by Graham McNeill; and "After Desh’ea" by Matt Farrer (Kyme & Priestley 2009, § "Contents")
  21. Review: EIW 2010 (mostly positive).
  22. ^ Combined review of A Thousand Sons and Prospero Burns CD-audio editions: Fortune n.d. (positive).
  23. Review: Gronli 2010b (mixed).
  24. Review: Rudden 2012 (positive).
  25. "Rules of Engagement" by Graham McNeill; "Liar's Due" by James Swallow; "Forgotten Sons" by Nick Kyme; "The Last Remembrancer" by John French; "Rebirth" by Chris Wraight; "The Face of Treachery" by Gav Thorpe; "Little Horus" by Dan Abnett; "The Iron Within" by Rob Sanders; and "Savage Weapons" by Aaron Dembski‑Bowden (Dunn & 2011-1, § "Contents"). One story, "The Iron Within", was prepublished in Hammer and Bolter, a Black Library e‑magazine, in February 2011 (Sanders 2011); "The Last Remembrancer" was included in the same magazine's May 2011 issue, published simultaneously with the series book (French 2011).
  26. McNeill, Graham (2011a). Rules of Engagement. pp. 9–63 (although published before Book 19, Know No Fear, it mainly deals with that novel's aftermath); Wraight, Chris (2011a). Rebirth. pp. 203–246 (sequel to Prospero Burns); Thorpe, Gav (2011). The Face of Treachery. pp. 247–276 (prequel to Deliverance Lost).
  27. Review: Flory 2011 (positive).
  28. Reputed continuity problems introduced in the series by story elements in The Outcast Dead have been the subject of discussion among the Warhammer 40,000 fan community (Antigonos et al. 2011); see also Dembski-Bowden (2012a, § "Author's Note", p. 9)
  29. Review of the e‑audio edition: Dean 2011 (mixed).
  30. Review: Fortune 2012 (positive).
  31. "The Reflection Crack'd" by Graham McNeill; "Feat of Iron" by Nick Kyme; "The Lion" by Gav Thorpe; and "The Serpent Beneath" by Rob Sanders (Dunn & 2012-3, § "Contents"). "Feat of Iron" complements a non-series Horus Heresy novella by the same author (Kyme 2011b) harv error: no target: CITEREFKyme_2011b (help); "The Lion" was prepublished in digital format, as a Hammer and Bolter serial (Thorpe 2012b) harv error: no target: CITEREFThorpe_2012b (help).
  32. Review: Dean 2012 (negative).
  33. Review: Sharps 2012 (positive).
  34. ^ Short stories: "The Dark King", "The Kaban Project", and "Death of a Silversmith" by Graham McNeil; "The Lightning Tower" by Dan Abnett; "Raven's Flight" by Gav Thorpe (these stories were previously published; "Raven's Flight", a prequel to Book 18, is an adaptation of an original "Horus Heresy Audio Drama", the first such entry in this series). Novellas: "The Crimson Fist" by John French (prepublished as stand-alone e‑book, see French 2012); "The Prince of Crows", an original story by Aaron Dembski‑Bowden. (Dunn, Kyme & 2012-2, edition notice [p. 6 (not numbered)], § "Contents").
  35. Review: Fergus 2012 (positive).
  36. "The Reflection Crack'd" by Graham McNeil (Dunn & 2012-3, pp. 11–110), and "The Crimson Fist" by John French (Dunn, Kyme & 2012-2, pp. 11–123).
  37. Review: Bosier 2013 (positive).
  38. Review of the "Premium Hardback" edition: Sharps 2013 (positive).
  39. The subtitle Blood for the Blood God is also the title of an unrelated 2008 Warhammer Fantasy novel. See Blood for the blood god in libraries (WorldCat catalog). Retrieved February 26, 2013.
  40. "The Shards of Erebus" by Guy Haley; "Calth that Was" (novella) by Graham McNeill; "Dark Heart" by Anthony Reynolds; "The Traveller" by David Annandale; "A Deeper Darkness" by Rob Sanders; "The Underworld War" by Aaron Dembski‑Bowden; "Athame" by John French; and "Unmarked" by Dan Abnett (Goulding 2013, [track list, track intro]). "Dark Heart" was previously published in text, as an "e‑short" in January 2013 (Reynolds 2013).
  41. ^ The Black Library Team 2013; Black Library Online & "Horus Heresy". Books 1–22 originally printed as mass-market (mm) paperbacks. For Book 23 and following, first general-availability print edition is in trade format with fold-out cover. See also Black Library Facebook Page 2012, [post by Black Library, 7 December 2012 at 4:56 am] harvnb error: no target: CITEREFBlack_Library_Facebook_Page2012 (help). Retrieved January 4, 2012; imprints or editions of individual novels may have alternate subtitles and may also have variations in punctuation or capitalization of title or subtitle; for examples of compilation stories that have been published individually see: Black Library Online & "Ebooks: Horus Heresy" (includes listing of short story e‑books). Kyme 2011a (downloadable "audio short"). Abnett et al. 2011 (audiobook bundle includes a short story extra on separate disc media); as of April 2013 the series as a whole was not assigned an official series or "set" ISBN, nor an ISSN. However unique ISBNs may be assigned to the publisher's bundle offers; publication details of series titles may not be presented uniformly across publisher communications, such as in the official series website (listed in § External links), and the Black Library webpages listed here; this article refers to UK releases and more generally to English-language editions, except where stated otherwise. For series titles published in other languages, see non-English editions in libraries (WorldCat catalog). Retrieved March 18, 2012.
  42. ^ As of April 2013, all digital media editions, the books' art, and the majority of special editions and bundles were offered exclusively through the publisher's online or physical outlets (Black Library Online & FAQ); this included the "Horus Heresy Collections" (Black Library Online & "Horus Heresy Collections"), and the titles' "Premium Hardback Edition" (The Black Library Team 2012b harvnb error: no target: CITEREFThe_Black_Library_Team_2012b (help); "premium" editions are offered at a substantially higher price compared to regular versions, see Black Library Online & "Horus Heresy" for price information); Todd 2013, ¶ 2. "[T]he traditional publishing model of 'hardback followed by paperback edition much later ....'"
  43. Mass-market paperback approx. 17 cm × 10 cm (6.7 in × 3.9 in); trade paperback approx. 23 cm × 15 cm (9.1 in × 5.9 in). Sources: Amazon UK; British National Bibliography; digital media size range reflects decompressed readable/listenable formats. "Enhanced e‑book" editions not included in the indicated values (such versions may be substantially larger). Range values are extrapolated approximations, see Black Library Online & FAQ, "What size are the files?"); for audio edition information, see individual title listings under Black Library Online & "Horus Heresy"
  44. As of Book 24 (originally published December 2012); for more information, see cited works under § References.
  45. Prepublication examples: French 2011. Short story from the Age of Darkness compilation which was simultaneously published (in text and audio) in Black Library's Hammer and Bolter e‑magazine; Thorpe 2012b harvnb error: no target: CITEREFThorpe_2012b (help). A novella republished in The Primarchs compilation. It was serialized in Hammer and Bolter from February to April 2012; French 2012. Novella from the Shadows of Treachery compilation prepublished as an e‑book in July 2012; The Black Library Team 2010. Information about a Games Workshop event, with prerelease versions of series titles on offer
  46. Book 23 "premium" editions: McNeill 2012, (hardcover), 2012, (e‑book). Book 1 republished in same: Abnett 2012b-1 ]
  47. ^ Review of Horus Rising "5th Anniversary Edition": Rhoads 2011b; and of the "Premium Hardback Edition": Scholes 2013. (Both positive).
  48. The Black Library Team 2011 (publisher webpage).
  49. Abnett 2011c.
  50. Black Library Online & "Horus Heresy Audio Boxset"
  51. Abnett et al. 2011.
  52. Series authors 2011 [estimated total size approx. 14 megabytes]. Limited-time offer expired 2012, see ""The Black Library – Xmas Horus Heresy Complete Works"". Archived from the original on January 16, 2012. Retrieved December 31, 2012. [Archive of a snapshot of the same page by the Wayback Machine (beta version)]. Retrieved December 31, 2012.
  53. Critics' praise: Flory 2011, ¶ 2. "There have been a few little blips along the way ... but on the whole, the 'Horus Heresy' series has consistently demonstrated why it's the flagship series for the Black Library" – and critics' complaint: Dean 2011, ¶ 1. "Here we go again, ... the [Horus Heresy] plot has been drawn out like over-stretched chewing gum"; Sobel 2010, ¶ 5. "Certain reviewers have criticised the glut of personalities ... and in some cases my experience has resonated with this critique"; Wolff 2011, ¶ 2. "[T]he Horus Heresy has had its ups ... and downs...."; Flory 2012, ¶ 7. "[The series] ... has already been proven to jump backwards and forwards along its own timeline and certain events ... have already been alluded to."
  54. Postulated creative constraints: Rhoads (2010, ¶ 1); Dean (2011, ¶ 4); fans vs. casual readers: Fortune (2012, ¶ 4); Rudden (2012, final paragraph).
  55. Locus Online 2006, 2013. [For listings of other series titles, search Locus Online's "Locus Bestsellers" category archives. Retrieved April 26, 2013.].
  56. Stone 2011b, § "Top 20 audiobooks fiction". Two related works from the Horus Heresy audio drama series Garro appeared in the same list: the Legion of One CD (Garro vol. 1) was in the top position; the CD for volume 2, Oath of Moment was at number 9.
  57. Stone 2008, p. S6. "The Bookseller classifies a small publisher as any ... [with] revenue ... [in the] last year of less than 0.3% [of the Total Consumer Market] ...."
  58. Bookseller 2008; Stone 2009, "Titles from Games Workshop's Black Library publishing arm always hover around or in The Bookseller's weekly small publishers charts, and three titles make the 2009 Top 20." [The titles referred to were all series Books]
  59. Gronli 2010a.
  60. Eureka 2011, "[Ranking by] [s]ales, January 2011 Source: Nielsen.com".
  61. Publishers Weekly 2012, § "Top 10 Science Fiction", p. 18
  62. At the New York Times Bestseller List (New York Times & "Best Sellers"):
     • A Thousand Sons 14 March 2010
     • Nemesis 15 August 2010
     • The First Heretic 14 November 2010
    21 November 2010
     • Prospero Burns 16 January 2011
     • Age of Darkness 15 May 2011
     • Know No Fear 18 March 2012
     • The Primarchs 17 June 2012
     • Fear to Tread 16 September 2012
    23 September 2012

    Retrieved November 27, 2012(all web links).

  63. The audience has a partially omniscient point-of-view, since a number of significant events, the general outline, and the ending of the Horus Heresy are known in advance. Story elements have been published by Games Workshop starting 1988 (Merrett 2007, p. 6 [not numbered]); a comprehensive outline, including the conclusion, was published in the four-volume Horus Heresy art book series between May 2004 and July 2006. This series was republished in a 2007 omnibus edition, see Collected Visions (in § Related works: Selections).
  64. Rundle 2010, p. 2. Retrieved January 2, 2013. From an interview with series author Dan Abnett; Farley 2010. Interview with Neil Roberts, the series' main artist; Rhoads 2010, ¶ 1. From a reviewer's essay; for a creator's perspective on working within the overall Warhammer environment see Baxter (2003).
  65. Stone 2011a, "Special [mention] also go[es] to ... Black Library (thanks to the popularity of its Horus Heresy series) for growing [its] sales in a tough market."; Kirby et al. 2012, p. 3.
  66. Bickham 2012 (from a Games Workshop monthly publication).
  67. Wraight 2011.
  68. Dembski-Bowden 2011. Originally offered as a "Collectors Edition" web exclusive.
  69. Bligh 2012.

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