Hidden World
Stanton A. Coblentz
Across Time
Donald A. Wollheim
Wasp
Eric Frank Russell
Edge of Time
Aliens from Space
Robert Silverberg
Starhaven
Day of the Giants
Lester Del Rey
The Martian Missile
Glory Planet
A. Bertram Chandler
Destination: Saturn
Donald A. Wollheim & Lin Carter
Destiny's Orbit
Ajax Calkins (1)
Out of This World
Murray Leinster
Bud Gregory (1)
Prince of Peril
Otis Adelbert Kline
Grandon (2)
The Rim of Space
John Grimes Rimworld (1)
Star Ways
Poul Anderson
Psychotechnic League (1)