Starman's Quest
Robert Silverberg
The World That Couldn't Be
Clifford D. Simak
First on the Moon
Jeff Sutton
And Then the Town Took Off
Richard Wilson
A Planet for Texans
H. Beam Piper & John J. McGuire
Ace Double (299)
The Survivors
Tom Godwin
Ragnarok (1)
The Scarlet Lake Mystery
Harold Leland Goodwin
Rick Brant Science Adventure (13)
The Pirates of Shan
Rick Brant Science Adventure (14)
The Time Traders
Andre Norton
Ross Murdock / Time Traders (1)
A Choice of Miracles
James A. Cox
The Nothing Equation
Get Out of Our Skies!
Henry Slesar
The Love of Frank Nineteen
David C. Knight
What's He Doing in There?
Fritz Leiber
The Machine That Saved the World
Murray Leinster
Resurrection
Robert Shea
The Happy Unfortunate
My Father, the Cat
I Like Martian Music
Charles E. Fritch
The Penal Cluster
Randall Garrett