World s of the Imperium
Keith Laumer
Imperium (1)
Galactic Odyssey
Dinosaur Beach
The Night of the Trolls
Retief: The Desert and the Stars
Retief (1)
Niss Other Sky
Retief: Saline Solution
The Devil You Don't
Retief: The Star-Sent Knaves
Beyond the Imperium
Imperium (2)
Assignment in Nowhere
Imperium (3)
Time Trap
Keith Laumer & Tom Wright
Time Trap (1)
Future Imperfect
The Other Side of Time
Keith Laumer & Arthur C. Clarke
Planet Run
Keith Laumer & Gordon R. Dickson
Legions of Space
The Time Bender
Lafayette O'Leary (1)
Earthblood & Other Stories
Keith Laumer & Rosel George Brown
Niss (1)
The Lighter Side
The Triumphant
Bolo (3)
Enemies From Beyond
The Invaders (2)
The Long Twilight and Other Stories
The Great Time Machine Hoax