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 Man of Maybe Half-A-Dozen Faces
The Man of Maybe Half-A-Dozen Faces
Ray Vukcevich
R
The Practice Effect
The Practice Effect
David Brin
R
Warstrider
Warstrider
William H. Keith, Jr.
R
Rebellion
Rebellion
William H. Keith, Jr.
R
Battlemind
Battlemind
William H. Keith, Jr.
R
Stingray
Stingray
Bill Keith
R
The Dark Tower IV
The Dark Tower IV
Stephen King
R
The Satanic Verses
The Satanic Verses
Salman Rushdie
R
Tactics of Duty
Tactics of Duty
William H. Keith, Jr.
R
Blood Oath
Blood Oath
John Vornholt
R
Santiago: A Myth of the Far Future
Santiago: A Myth of the Far Future
Mike Resnick
R
Hero of Dreams
Hero of Dreams
Brian Lumley
R
The Eagle and the Sword
The Eagle and the Sword
A. A. Attanasio
R
Days of Cain
Days of Cain
J. R. Dunn
R
The Best of Richard Matheson (Penguin Classics)
The Best of Richard Matheson (Penguin Classics)
Richard Matheson
R
RIM
RIM
Alexander Besher
R
Villain
Villain
Natalie Zina Walschots
R
The Marburg Chronicles
The Marburg Chronicles
Alfred Coppel
R
Hunting on Kunderer
Hunting on Kunderer
William Barton
R
The Association
The Association
Bentley Little
R
Fadar
Fadar
Ronald Campbell-Butler
R
The Forest of App
The Forest of App
Gloria Rand Dank
R
The Nestling
The Nestling
Charles L. Grant
R
Shifter
Shifter
Garfield Reeves-Stevens; Judith Reeves-Stevens
R
Echoes of the Dark Sun: A Post-Apocalyptic Thriller
Echoes of the Dark Sun: A Post-Apocalyptic Thriller
Joseph Sackett
R
Necropolis
Necropolis
Basil Copper
R
Mother of Storms
Mother of Storms
John Barnes
R
Mysterium
Mysterium
Robert Charles Wilson
R
Federation
Federation
Garfield Reeves-Stevens; Judith Reeves-Stevens
R
Perchance
Perchance
Michael Kurland
R