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 Frozen River: A GMA Book Club Pick
The Frozen River: A GMA Book Club Pick
Ariel Lawhon
R
Rebel Dream
Rebel Dream
Aaron Allston
R
The Naked God
The Naked God
Peter F. Hamilton
R
The Veil of Years
The Veil of Years
L. Warren Douglas
R
The Wondrous Physician
The Wondrous Physician
Jorge De Sena
R
Double Trouble
Double Trouble
Barthe DeClements; Christopher Greimes
R
Between Darkness and Light
Between Darkness and Light
Lisanne Norman
R
The Library After Dark
The Library After Dark
Ande Pliego
R
A Dark Way to Glory
A Dark Way to Glory
Chaz Brenchley
R
Destination Oort
Destination Oort
Gene Steele
R
Cyberpunk 2077: No Coincidence
Cyberpunk 2077: No Coincidence
Rafal Kosik
R
Flip
Flip
David Lubar
R
Shadows of Dawn
Shadows of Dawn
Benjamin Dare
R
Among the Unseen
Among the Unseen
Jodi McIsaac
R
Galactica Discovers Earth
Galactica Discovers Earth
Michael Resnick; Glen A. Larson
R
Cavern of the Fear
Cavern of the Fear
Emily Rodda
R
Dark Futures
Dark Futures
Russell Blackford
R
The Crab
The Crab
Stan!
R
The Alpha Box
The Alpha Box
Annie Dalton
R
Twins (an Ell Donsaii Story #17)
Twins (an Ell Donsaii Story #17)
Laurence Dahners
R
Death Becomes Her
Death Becomes Her
Michael Anderle
R
The Iron Dragon's Daughter
The Iron Dragon's Daughter
Michael Swanwick
R
Jack Faust
Jack Faust
Michael Swanwick
R
Anakin Skywalker
Anakin Skywalker
Todd Strasser
R
Carnival of the Dead
Carnival of the Dead
Laurence Staig
R
Sabrina Down Under
Sabrina Down Under
Ellen Titlebaum
R
Fortune Cookie Fox
Fortune Cookie Fox
Cathy East Dubowski
R
Hammers of Ulric
Hammers of Ulric
James Wallis; Nik Vincent; Dan Abnett
R
Silence Is Deadly
Silence Is Deadly
Lloyd Biggle, Jr.
R
Power of Persuasion
Power of Persuasion
Elizabeth Massie
R