R rated sci-fi books

5467 books

Sci-fi books with mature content including explicit sex, graphic violence, or strong language. For adult readers.

One Against a Wilderness
One Against a Wilderness
William L. Chester
R
Brother Termite
Brother Termite
Patricia Anthony
R
Bone Dance
Bone Dance
Emma Bull
R
Paradise
Paradise
Chaz Brenchley
R
Sunder, Eclipse & Seed
Sunder, Eclipse & Seed
Elyse Guttenberg
R
The Infinite Sea
The Infinite Sea
Jeffrey A. Carver
R
Replicant Night
Replicant Night
K. W. Jeter
R
The Edge of Human
The Edge of Human
K. W. Jeter
R
The Autumn Lord
The Autumn Lord
Susan Sizemore
R
Eye and Talon
Eye and Talon
K. W. Jeter
R
Tomorrow and Tomorrow
Tomorrow and Tomorrow
Charles Sheffield
R
Remake
Remake
Connie Willis
R
Dead Things
Dead Things
Richard Calder
R
Automated Alice
Automated Alice
Jeff Noon
R
Earthquake Weather
Earthquake Weather
Tim Powers
R
Worlds
Worlds
Joe Haldeman
R
Shadow Leader
Shadow Leader
Tara K. Harper
R
Worlds Enough and Time
Worlds Enough and Time
Joe Haldeman
R
The Castle of the Winds
The Castle of the Winds
Michael Scott Rohan
R
Null-A Three
Null-A Three
A. E. van Vogt
R
Wildlife
Wildlife
James Patrick Kelly
R
Swords for Hire: Two of the Most Unlikely Heroes You'll Ever Meet
Swords for Hire: Two of the Most Unlikely Heroes You'll Ever Meet
Will Allen
R
Advanced Mythology
Advanced Mythology
Jody Lynn Nye
R
When Gravity Fails
When Gravity Fails
George Alec Effinger
R
Wetware
Wetware
Rudy Rucker
R
Groundties
Groundties
Jane S. Fancher
R
Aristoi
Aristoi
Walter Jon Williams
R
The Napoleon Wager
The Napoleon Wager
William R. Forstchen
R
The Alexandrian Ring
The Alexandrian Ring
William R. Forstchen
R
Fateful Lightning
Fateful Lightning
William R. Forstchen
R