Books in Order – Jay Allan - discoverscifi.com

2. The Cost of Victory

3. A Little Rebellion

4. The First Imperium

5. The Line Must Hold

6. To Hell's Heart

7. The Shadow Legions

8. Even Legends Die

9. The Fall

A Crimson Worlds Prequel series

1. Tombstone

2. Bitter Glory

3. War Stories

Portal Wars series

1. Gehenna Dawn

2. The Ten Thousand

3. Homefront

Crimson Worlds Refugees series

1. Into the Darkness

2. Shadows of the Gods

3. Revenge of the Ancients

4. Winds of Vengeance

5. Storm of Vengeance

6. Crusade of Vengeance

Crimson Worlds Successors series

1. Mercs

2. The Prisoner of Eldaron

3. The Black Flag

Flames of Rebellion series

1. Flames of Rebellion

2. Rebellion's Fury

Andromeda Chronicles

1. Andromeda Rising

2. Wings of Pegasus

Far Stars series

1. Shadow of Empire

2. Enemy in the Dark

3. Funeral Games

4. The Emperor's Fist

Blood on the Stars series

1. Duel in the Dark

2. Call to Arms

3. Ruins of Empire

4. Echoes of Glory

5. Cauldron of Fire

6. Dauntless

7. The White Fleet

8. Black Dawn

9. Invasion

10. Nightfall

11. The Grand Alliance

12. The Colossus

13. The Others

14. The Last Stand

15. Empire's Ashes

16. Attack Plan Alpha

17. Descent into Darkness

18. Empire Reborn

Standalone book

The Dragon's Banner