Riverworld
Philip José Farmer
Riverworld (1)
The Rival Rigelians and Planetary Agent X
Mack Reynolds
United Planets (1)
The Starchild Trilogy
Frederik Pohl & Jack Williamson
Starchild (1)
The Fuzzy Papers
H. Beam Piper
Fuzzy (1)
The Once and Future King
T. H. White
Once and Future King (1)
Three from the Legion
Jack Williamson
Legion of Space (1)
The Five Children
E. Nesbit
Five Children (1)
The Land That Time Forgot
Edgar Rice Burroughs
Caspak (1)