Research Alpha
James H. Schmitz & A. E. Van Vogt
Fire, 2016!
George O. Smith
Bircher
A. A. Walde
In Saturn's Rings
Robert F. Young
When Time Was New
Origin of Species
A Bowl Bigger Than Earth
Philip José Farmer
The Replicators
A. E. Van Vogt
This Mortal Mountain
Roger Zelazny
Nine Hundred Grandmothers
R. A. Lafferty