R rated sci-fi books

5467 books

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

Stolen Angels
Stolen Angels
Shaun Hutson
R
The Crown Jewels
The Crown Jewels
Walter Jon Williams
R
Clipjoint
Clipjoint
Wilhelmina Baird
R
Once Upon A Stellar Oath
Once Upon A Stellar Oath
Natalie Debrabandere;N D Shar
R
Mars Underground
Mars Underground
William K. Hartmann
R
Time Station Berlin
Time Station Berlin
David Evans
R
Drifter's War
Drifter's War
William C. Dietz
R
Bodyguard
Bodyguard
William C. Dietz
R
The Seep
The Seep
Chana Porter
R
Vixens of Night
Vixens of Night
Valentina Cilescu
R
The Uncertainty Principle
The Uncertainty Principle
Ruth Brandon
R
The Annihilation of Monsteropolis: A Mega Man Story (The Megas Universe)
The Annihilation of Monsteropolis: A Mega Man Story (The Megas Universe)
Matt(hew) Mowrer
R
The Last Hawk
The Last Hawk
Catherine Asaro
R
The Trapping
The Trapping
Anthony Vela
R
Chimera
Chimera
Mary Rosenblum
R
The Cat Who Walks Through Walls
The Cat Who Walks Through Walls
Robert A. Heinlein
R
And All the Stars a Stage
And All the Stars a Stage
James Blish
R
No Turning Back
No Turning Back
Beth Peterson
R
Cujo
Cujo
Stephen King
R
Doctor Who and the Keys of Marinus
Doctor Who and the Keys of Marinus
Philip Hinchcliffe
R
Brother to Dragons
Brother to Dragons
Charles Sheffield
R
Doctor Who and the Time Warrior
Doctor Who and the Time Warrior
Terrance Dicks
R
Bloodlinks
Bloodlinks
Lee Killough
R
Justice for Some
Justice for Some
Kate Wilhelm
R
The Power of the Daleks
The Power of the Daleks
John Peel
R
Beggars & Choosers
Beggars & Choosers
Nancy Kress
R
Kill All Angels
Kill All Angels
Robert Brockway
R
Deceit
Deceit
Peter Darvill-Evans
R
The Angel of Pain
The Angel of Pain
Brian Stableford
R
Slow River
Slow River
Nicola Griffith
R