Books in Science Fiction (sorted alphabetically)
- Sense from Thought Divide Mark Clifton
- Sense of Wonder Stephen Marlowe
- Sensitive Man Poul Anderson
- Sentimentalists Murray Leinster
- Sentiment, Inc. Poul Anderson
- Sentry of the Sky Evelyn E. Smith
- Serpent River Don Wilcox
- Servant Problem Robert F. Young
- Service with a Smile Charles L. Fontenay
- Shadow of the Mothaship Cory Doctorow
- Shadows in the Moonlight Robert E. Howard
- Shadows in Zamboula Robert E. Howard
- Shaman Robert Shea
- Shamar's War Kris Neville
- Shatter the Wall Sydney J. Van Scyoc
- She Knew He Was Coming Kris Neville
- Shepherd of the Planets Alan Mattox
- Shining Cow Alex James
- Shipping Clerk Joseph Samachson
- Shipwreck in the Sky Eando Binder
- Shock Absorber E. G. Von Wald
- Short Life Francis Donovan
- Show Business Boyd Ellanby
- Shunned House H. P. Lovecraft
- Sight Gag Laurence M. Janifer