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.
Shapers of Worlds
Tanya Huff, John Scalzi, John C. Wright, L. E. Modesitt, Jr., Julie E. Czerneda, Shelley Adina, Derek Künsken, Thoraiya Dyer, Gareth L. Powell, Seanan McGuire, Fonda Lee, Christopher Ruocchio, David Brin, D. J. Butler, Dr. Charles E. Gannon, David Weber, Joe Haldeman, Edward Willett
book
Infinite Stars: Dark Frontiers
Orson Scott Card, Jack Campbell, Tanya Huff
book
Summon the Keeper
Tanya Huff
audiobook
The Truth of Valor
Tanya Huff
audiobook
Valor's Trial
Tanya Huff
audiobook
The Heart of Valor
Tanya Huff
audiobook
The Better Part of Valor
Tanya Huff
audiobook
Nor Iron Bars A Cage....
Randall Garrett
audiobook
Little Fuzzy
H. Beam Piper
audiobookbook
Burning Tower
Larry Niven, Jerry Pournelle
book
But the Stars
Peter Cawdron
audiobook
Pyramid Scheme
Dave Freer, Eric Flint
audiobook
3zekiel
Peter Cawdron
audiobook
We Shall Sing a Song into the Deep
Andrew Kelly Stewart
audiobook
The Imaginary Corpse
Tyler Hayes
audiobook
A Graveyard for Lunatics
Ray Bradbury
audiobook
Machinehood
S.B. Divya
audiobookbook
Fair Trade
Mackey Chandler
audiobook
Myth Conceptions
Robert Asprin
audiobook