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 Camera Obscura
The Camera Obscura
Hugh Scott
R
The One-Man Army
The One-Man Army
Moacyr Scliar
R
The Strange Nation of Rafael Mendes
The Strange Nation of Rafael Mendes
Moacyr Scliar
R
The Imperator Plot
The Imperator Plot
Steven Spruill
R
Labyrinth
Labyrinth
Dennis Schmidt
R
The Sceptre Mortal
The Sceptre Mortal
Derek Sawde
R
Now and Again
Now and Again
David Cody Weiss; Bobbi J. G. Weiss
R
Off-Line
Off-Line
Lawrence Goldstone
R
Out of the Darkness
Out of the Darkness
Harry Turtledove
R
Psychamok
Psychamok
Brian Lumley
R
The Singing Stones
The Singing Stones
Phyllis A. Whitney
R
Peace and Memory
Peace and Memory
Mark W. Tiedemann
R
Crashing Heaven
Crashing Heaven
Al Robertson
R
Battlestar
Battlestar
T. Jackson King
R
Khai of Ancient Khem
Khai of Ancient Khem
Brian Lumley
R
Children of the Dawn
Children of the Dawn
Patricia Rowe
R
Abandonati
Abandonati
Garry Kilworth
R
First Contact
First Contact
Nigel Robinson
R
Parable of the Sower & Parable of the Talents Boxed Set
Parable of the Sower & Parable of the Talents Boxed Set
Octavia Butler
R
The Reckoning
The Reckoning
Ruby Jean Jensen
R
Annabelle
Annabelle
Ruby Jean Jensen
R
Skinny Legs and All
Skinny Legs and All
Tom Robbins
R
Prisoner of Time
Prisoner of Time
Caroline B. Cooney
R
Prophet's Power
Prophet's Power
Dean Wesley Smith
R
Revenant-X (Red Space, 2)
Revenant-X (Red Space, 2)
David Wellington
R
Prospero's Isle
Prospero's Isle
Tom Wham
R
Far Country
Far Country
Peter L. Rice
R
Voodoo Dreams
Voodoo Dreams
Jewell Parker Rhodes
R
Jump Rope
Jump Rope
Ruby Jean Jensen
R
Return to Fanglith
Return to Fanglith
John Dalmas
R