Skylark DuQuesne
Edward E. Smith
Skylark of Space (4)
The Gate of Time
Philip José Farmer
Planet of Exile
Ursula K. Le Guin
Hainish (1)
Neutron Star
Larry Niven
Known Space (1)
Make Room! Make Room!
Harry Harrison
The Crystal World
J. G. Ballard
Destination: Void
Frank Herbert
Pandora (1)
Now Wait for Last Year
Philip K. Dick
The Castle of Llyr
Lloyd Alexander
The Prydain Chronicles (3)
The Gates of Creation
The World of Tiers (2)
Riverworld
Riverworld (1)
The Moon Is a Harsh Mistress
Robert A. Heinlein