Blood on the Stars Books in Order
1. Duel in the Dark (2016)
2. Call to Arms (2017)
3. Ruins of Empire (2017)
4. Echoes of Glory (2017)
5. Cauldron of Fire (2017)
6. Dauntless (2018)
7. The White Fleet (2018)
8. Black Dawn (2018)
9. The Invasion (2018)
10. Nightfall (2018)
11. The Grand Alliance (2019)
12. The Colossus (2019)
13. The Others (2019)
14. The Last Stand (2019)
15. Empire's Ashes (2019)
16. Attack Plan Alpha (2020)
17. Descent into Darkness (2020)
Crimson Worlds Books in Order
1. Marines (2012)
2. The Cost of Victory: Crimson Worlds 2 (2012)
3. A Little Rebellion (2013)
4. The First Imperium (2013)
5. The Line Must Hold (2013)
6. To Hell's Heart (2013)
7. The Shadow Legions (2014)
8. Even Legends Die (2014)
9. The Fall: Crimson Worlds 9 (2014)
See more: Jay Allan Books