

The books are published in several media by the Black Library, a Games Workshop division, with the first title released in April 2006 as of February 2023 the series consists of 62 published volumes the concluding story, The End and the Death, will be released in two volumes, with the first released in February 2023. The war is described as a major contributing factor to the game's dystopian environment.

Penned by several authors, the series takes place during the Horus Heresy, a fictional galaxy-spanning civil war occurring 10,000 years before the far future of Warhammer 40,000.

The Horus Heresy is an ongoing series of science fantasy set in the fictional Warhammer 40,000 setting of tabletop miniatures wargame company Games Workshop.
