Books in Order – GJ Ogden - discoverscifi.com

2. The Planetsider

3. The Second Fall

4. The Last of the Firsts

The Contingency War series

1. The Contingency

2. The Way Station Gambit

3. Rise of Nimrod Fleet

4. Earth's Last War

Star Scavenger series

1. Guardian Outcast

2. Orion Rises

3. Goliath Emerges

4. Union's End

5. The Last Revocater

Darkspace Renegade series

1. Darkspace Renegade

2. Wolf Squadron

3. Rogue World

4. Rikkard's Revenge

5. Renegade Resurgence

6. Centrum Incursion

Omega Taskforce series

1. The Emissary

2. Void Recon

3. The Exile

4. Obsidian Fleet

5. Dreadnaught

6. The Vanguard

standalone books

Omega Directive