The Runaway Robot
Lester Del Rey & Paul W. Fairman
There's a Starman in Ward 7
David Rome
The Water of Thought
Fred Saberhagen
All Flesh is Grass
Clifford D. Simak
Doctor Who and the Zarbi
Bill Strutton
Doctor Who Target Novelizations (73)
Monsters in Orbit
Jack Vance
Doctor Who and the Crusaders
David Whitaker
Doctor Who Target Novelizations (12)
The Escape Orbit
James White
The Saliva Tree
Brian W. Aldiss
Perilous Planets
The Black Cauldron
Lloyd Alexander
The Prydain Chronicles (2)
The Trouble Twisters
Poul Anderson
David Falkayn (1)
Tom Swift and His Polar-Ray Dynasphere
Jim Lawrence
Tom Swift, Jr. (25)
Star of Danger
Marion Zimmer Bradley
Darkover (12)
The Last Brunette
Algis Budrys
Behold the Stars
Kenneth Bulmer
Investigating the Bidwell Endeavors
David R. Bunch
Empress of Outer Space
A. Bertram Chandler
Empress Irene (1)
The Alternate Martians