Spacehounds of IPC
Edward E. Smith & David A. Kyle
Space War
Neil R. Jones
Professor Jameson (1)
Space Viking
H. Beam Piper
Space Vikings (1)
The Space Rover
Edwin K. Sloat
Space Rays
John W. Campbell, Jr.
The Space Merchants
C. M. Kornbluth & Frederik Pohl
Space Merchants (1)
The Space-Born
E. C. Tubb
Space Blister
John D. Clark
The Space Barbarians
Tom Godwin
Ragnarok (2)
Space
Stephen Baxter
Manifold (2)
A Sound of Thunder
Ray Bradbury
Souls in the Great Machine
Sean McMullen
Greatwinter (1)
Soulmates
Mike Resnick & Lezli Robyn
The Soulless Entity
Anthony Pelcher
The Soul Stealer
Jon F. Merz
Rogue Angel (12)
Soul of the City
Robert Asprin & Lynn Abbey
Thieves' World (8)
SOS the Rope
Piers Anthony
Battle Circle (1)