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