Ambassador 8: The Alabaster Army

Ambassador 9: Red Crystal Desert

Ambassador 10: Lost Forest Secrets

Ambassador 12: The Unfolding Army

Trader's Honour

Soldier's Duty

Watcher's Web

Ambassador 1: Seeing Red

Ambassador 7: The Last Frontier

The 28th Gate: Volume 1

Bypass Gemini: Big Sigma Series, Book 1

Ambassador 6: The Enemy Within

Contamination

Ambassador 11: The Forgotten War

Heir's Revenge

Ambassador 2: Raising Hell

Ambassador 1A: The Sahara Conspiracy

Observation

Artificial Evolution