Needle
Hal Clement
Needle (1)
The Skylark of Space
Edward E. Smith & Lee Hawkins Garby
Skylark (1)
Childhood's End
Arthur C. Clarke
Iceworld
Mission of Gravity
Mesklin (1)
Cycle of Fire
The Star Beast
Robert A. Heinlein
Have Space Suit - Will Travel
Have Space Suit (1)
Collision Course
Robert Silverberg
A Case of Conscience
James Blish
After Such Knowledge (3)
The Enemy Stars
Poul Anderson
David Ryerson (1)
The High Crusade
The Million Year Hunt
Kenneth Bulmer
2001: A Space Odyssey
A Space Odyssey (1)
The Alien Way
Gordon R. Dickson
A for Andromeda
Fred Hoyle & John Elliot
Andromeda (1)