JohnFreeman:
Star Trek - Starless World
JohnFreeman:
Piers Anthony, Macroscope (Avon, 1969)
JohnFreeman:
A. E. van Vogt, 宇宙嵐のかなた (Mission to the Stars) (Hayakawa Publishing, 1970
JohnFreeman:
Brian Aldiss, The Interpreter (New English Library edition, 1972)
JohnFreeman:
John Brunner, La conquête du chaos (To Conquer Chaos) (Marabout edition, 1973).
JohnFreeman:
Steven Eisler, Space Wars: Worlds & Weapons (Crescent Books, 1979)
JohnFreeman:
John Berkey, cover art for The Space Merchants by C. M. Kornbluth and Frederik Pohl (Ballantine Books edition, 1969)