The Dark Heresy series in Warhammer 40,000 runs to 2 books. Below is the full reading order in series sequence, so you know exactly where to start Dark Heresy and what to read next.
Original summaries and chronology labels generated from the same catalog powering the atlas.
Sandy Mitchell
A Dark Heresy tie-in focused on Inquisitorial investigation and small-cell danger, best for readers interested in roleplaying-game-era Imperial paranoia.
049.M41 - 231.M41
range date, medium confidence
First published 2008
Sandy Mitchell
The Dark Heresy novel lane continues with more Inquisitorial suspicion and investigation, better read after Scourge the Heretic.
107.M41 - 260.M41
range date, medium confidence
First published 2009