R rated sci-fi books

5467 books

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

Malicious Intent
Malicious Intent
Michael A. Stackpole
R
Contamination
Contamination
John Vornholt
R
Time and the Clock Mice, Etcetera
Time and the Clock Mice, Etcetera
Peter Dickinson
R
Aftermath
Aftermath
LeVar Burton
R
A Man Betrayed
A Man Betrayed
J. V. Jones
R
Once a Hero
Once a Hero
Michael A. Stackpole
R
Empty Cities of the Full Moon
Empty Cities of the Full Moon
Howard V. Hendrix
R
Prisoner's Hope
Prisoner's Hope
David Feintuch
R
Lights Out
Lights Out
Nicholas Pine
R
Killing Darcy
Killing Darcy
Melissa Lucashenko
R
Frenzy
Frenzy
John-Allen Price
R
Seeklight
Seeklight
K. W. Jeter
R
Cyberskin
Cyberskin
Paul Collins
R
The Ballad of Billy Badass and the Rose of Turkestan
The Ballad of Billy Badass and the Rose of Turkestan
William Sanders
R
The Best Rootin' Tootin' Shootin' Gunslinger in the Whole Damned Galaxy
The Best Rootin' Tootin' Shootin' Gunslinger in the Whole Damned Galaxy
Mike Resnick
R
Prophet
Prophet
Mike Resnick
R
The Nagasaki Vector
The Nagasaki Vector
L. Neil Smith
R
The Venus Belt
The Venus Belt
L. Neil Smith
R
Battle Earth VI
Battle Earth VI
Nick S. Thomas
R
The Dreamfields
The Dreamfields
K. W. Jeter
R
The Uplift War
The Uplift War
David Brin
R
Legacies
Legacies
F. Paul Wilson
R
Software
Software
Rudy Rucker
R
The Guardian
The Guardian
Beecher Smith
R
Aquatech Warriors
Aquatech Warriors
Debra Doyle; James D. Macdonald
R
The Big Punch
The Big Punch
Louis Maistros
R
Dark Charm
Dark Charm
Don Whittington
R
On My Way to Paradise
On My Way to Paradise
Dave Wolverton
R
Jamestown Adventure
Jamestown Adventure
Manly Wade Wellman
R
Monster Machine
Monster Machine
Debra Doyle; James D. Macdonald
R