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Era Indomitus is a 2-book reading order in Warhammer 40,000, spanning Space Marines, Era Indomitus. Below is every entry in suggested reading sequence — series order first, then in-universe chronology — so you can follow the story from start to finish and see where each book sits in the wider 40k timeline.
Free reading-order poster
An original, shareable Era Indomitus reading-order poster — no Games Workshop art, just the books in order. Pin it, download it, or share the list.
Original summaries and chronology labels generated from the same catalog powering the atlas.
Guy Haley
A major Blood Angels and Tyranids war novel that bridges old late-M41 continuity into the new strategic era.
998.M41 - 999.M41
range date, medium confidence
First published 2017
Mike Brooks
A modern Dark Angels anchor that follows the Lion's return into a changed Imperium rather than treating the era as only Guilliman's story.
000.M42 - 333.M42
era date, medium confidence
First published 2023
This reading order matches publication order — release sequence and suggested reading sequence are the same here. Browse every book by release year on the publication-order page.