The Demon Breed
James H. Schmitz
The Hub (3)
The Universe Against Her
Telzey Amberdon (1)
Research Alpha
James H. Schmitz & A. E. Van Vogt
The Searcher
The Hub (1)
The Custodians
The Beacon to Elsewhere
The Wandering Tellurian
Alan Schwartz
Seconds' Chance
Robin Scott Wilson
A Matter of Magnitude
Al Sevcik
Ultimatum in 2050 A.D.
Jack Sharkey