The Maker of Universes
Philip José Farmer
The World of Tiers (1)
World of the Starwolves
Edmond Hamilton
Starwolf (3)
World of the Sleeper
Tony Russell Wayman
World of the Masterminds
Robert Moore Williams
World of Promise
E. C. Tubb
Dumarest (23)
The World of Null-A
A. E. Van Vogt
Null-A (1)
World of Mazes
Robert E. Vardeman
Cenotaph Road (3)
A World of Hurt
Dan Cragg & David Sherman
Starfist (10)
A World of Difference
Harry Turtledove
World of Chance
Philip K. Dick
The World Next Door
Brad Ferguson
The World Menders
Lloyd Biggle, Jr.
Interplanetary Relations Bureau (2)
World Made By Hand
James Howard Kunstler
World Made by Hand (1)
World Killers
Jack McKinney
Robotech (16)
The World Jones Made
The World Inside
Robert Silverberg
Urban Monad (1)