R rated sci-fi books

5467 books

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

The Dark Green Tunnel
The Dark Green Tunnel
Allan W. Eckert
R
The Gathering
The Gathering
Virginia Hamilton
R
Shadow Money
Shadow Money
George Alec Effinger
R
The Black Horn
The Black Horn
Clare Cooper
R
Eyes of Silver
Eyes of Silver
Michael A. Stackpole
R
Colman
Colman
Monica Furlong
R
A Calculus of Angels
A Calculus of Angels
J. Gregory Keyes
R
Iron Fist
Iron Fist
Aaron Allston
R
The Icarus Hunt
The Icarus Hunt
Timothy Zahn
R
For Mike
For Mike
Shelley Sykes
R
Crescent City Rhapsody
Crescent City Rhapsody
Kathleen Ann Goonan
R
Sanctuary
Sanctuary
Dale Allen
R
Freedom's Gate
Freedom's Gate
Naomi Kritzer
R
The Alien
The Alien
L. P. Davies
R
Choosing Theo
Choosing Theo
Victoria Aveline
R
The Beheading Game
The Beheading Game
Rebecca Lehmann
R
Time Future
Time Future
Maxine McArthur
R
Catchworld
Catchworld
Chris Boyce
R
Josie the Jewellery-Making Fairy
Josie the Jewellery-Making Fairy
Daisy Meadows
R
The Playback War
The Playback War
Lisa Smedman
R
Nobody's Safe
Nobody's Safe
Richard Steinberg
R
Afterlife
Afterlife
Dee Shulman
R
The Doorway
The Doorway
S. M. Korslund
R
Taiamoora
Taiamoora
Chandra K. Clarke
R
The Claw of the Conciliator
The Claw of the Conciliator
Gene Wolfe
R
The Sword of the Lictor
The Sword of the Lictor
Gene Wolfe
R
The Citadel of the Autarch
The Citadel of the Autarch
Gene Wolfe
R
The Army of the Lost
The Army of the Lost
Lily Herne
R
Captain Nemo: The Fantastic History of a Dark Genius
Captain Nemo: The Fantastic History of a Dark Genius
K. J. Anderson
R
The Neutronium Alchemist
The Neutronium Alchemist
Peter F. Hamilton
R