In the distant future, humans and several other races have been granted membership in the Confederation--at a price. They must act as soldier/protectors of the far more civilized races who have long since turned away from war....

שם הספר
Blood debt
Of Darkness, Light, and Fire (Daw Book Collectors)
Smoke and Shadows (The Smoke Trilogy, Book 1)
Smoke and Mirrors (The Smoke Trilogy, Book 2)
The Blood Books, Vol. 1 (Blood Price / Blood Trail)