Retief: Ambassador to Space
Keith Laumer
Retief (5)
The Other Side of Time
Imperium (2)
Beyond the Imperium
A Plague of Demons
Giant Killer
Retief (1)
Retief's War
Retief (3)
Worldmaster
The Time Bender
Lafayette O'Leary (1)
Prototaph
Earthblood
Keith Laumer & Rosel George Brown
Founder's Day