R rated sci-fi books

5467 books

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

Six Haunted Hairdos
Six Haunted Hairdos
Gregory Maguire
R
Spectre
Spectre
William Shatner; Judith Reeves-Stevens; Garfield Reeves-Stevens
R
The Shockwave Rider
The Shockwave Rider
John Brunner
R
Stranger in the Mirror
Stranger in the Mirror
Cherie Bennett; Jeff Gottesfeld
R
Shrine
Shrine
James Herbert
R
The Ghosts of Sleath
The Ghosts of Sleath
James Herbert
R
Creed
Creed
James Herbert
R
The Palace of Souls
The Palace of Souls
Robin Bailey
R
The Lost City of Zork
The Lost City of Zork
Robin W. Bailey
R
Marabou Stork Nightmares
Marabou Stork Nightmares
Irvine Welsh
R
Night School
Night School
Bentley Little
R
Schismatrix
Schismatrix
Bruce Sterling
R
Rogue Squadron
Rogue Squadron
Michael A. Stackpole
R
The Krytos Trap
The Krytos Trap
Michael A. Stackpole
R
Darktraders
Darktraders
Rosemary Edghill
R
The Mailman
The Mailman
Bentley Little
R
Firedance
Firedance
Scott Baker
R
SS-GB
SS-GB
Len Deighton
R
The Wheel in Space
The Wheel in Space
Terrance Dicks
R
Queen's Gambit Declined
Queen's Gambit Declined
Melinda M. Snodgrass
R
Project Pope
Project Pope
Clifford D. Simak
R
Alien Citadel
Alien Citadel
Douglas Hill
R
The House of Doors
The House of Doors
Brian Lumley
R
Flagship
Flagship
Isaac Hooke
R
The Playmasters
The Playmasters
Rod Martin; John Dalmas
R
The Haunting
The Haunting
Ruby Jean Jensen
R
Kothar: Barbarian Swordsman
Kothar: Barbarian Swordsman
Gardner F. Fox
R
The Walkaway Clause
The Walkaway Clause
John Dalmas
R
The Scroll of Man
The Scroll of Man
John Dalmas
R
The Reality Matrix
The Reality Matrix
John Dalmas
R