R rated sci-fi books

5467 books

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

Black Wind
Black Wind
F. Paul Wilson
R
Ancient of Days
Ancient of Days
Michael Bishop
R
The Artificial Kid
The Artificial Kid
Bruce Sterling
R
Web of Angels
Web of Angels
John M. Ford
R
Angel Station
Angel Station
Walter Jon Williams
R
SPQR
SPQR
John Maddox Roberts
R
Solo
Solo
Robert Mason
R
In the Face of My Enemy
In the Face of My Enemy
Joseph H. Delaney
R
Tactics of Mistake
Tactics of Mistake
Gordon R. Dickson
R
The Summoning
The Summoning
Bentley Little
R
Stardance II
Stardance II
Spider Robinson; Jeanne Robinson
R
Starfishers
Starfishers
Glen Cook
R
Wandor's Ride
Wandor's Ride
Roland J. Green
R
Twistor
Twistor
John G. Cramer
R
The Coming Event
The Coming Event
E. C. Tubb
R
The Proteus Operation
The Proteus Operation
James P. Hogan
R
Owl Light
Owl Light
Michael Paine
R
System Reborn Vol 1 & 2: A LitRPG Adventure (Apocalypse Reincarnation)
System Reborn Vol 1 & 2: A LitRPG Adventure (Apocalypse Reincarnation)
Kaz Hunter
R
Blood Games
Blood Games
Lee Killough
R
The Remarkables
The Remarkables
Robert Reed
R
Death in Florence
Death in Florence
George Alec Effinger
R
Perdido Street Station
Perdido Street Station
China Miéville
R
Journey into Terror
Journey into Terror
George Alec Effinger
R
A Hidden Place
A Hidden Place
Robert Charles Wilson
R
Escape to Tomorrow
Escape to Tomorrow
George Alec Effinger
R
Goblins
Goblins
Charles Grant
R
Star Commandos
Star Commandos
P. M. Griffin
R
The Glass Hammer
The Glass Hammer
K. W. Jeter
R
Soldier of Gideon
Soldier of Gideon
Barry Sadler
R
Frankenstein Unbound
Frankenstein Unbound
Brian W. Aldiss
R