R rated sci-fi books

5467 books

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

Wicked
Wicked
Andrea Arven
R
The Children's Hour
The Children's Hour
Jerry Pournelle; S. M. Stirling
R
Another Roadside Attraction
Another Roadside Attraction
Tom Robbins
R
The Round Table
The Round Table
Jack Whyte
R
Bionic Commando
Bionic Commando
J. B. Stamper
R
Carnosaur
Carnosaur
Harry Adam Knight
R
Bloodcircle
Bloodcircle
P. N. Elrod
R
The Horses at the Gate
The Horses at the Gate
Mary Mackey
R
The Final Redemption
The Final Redemption
Michael G. Manning
R
He Who Fights with Monsters 3
He Who Fights with Monsters 3
Shirtaloon
R
Paradox
Paradox
Douglas Preston;Aletheia Preston
R
U.S.S.A. Book 2
U.S.S.A. Book 2
S. N. Lewitt
R
The Wicker Cage
The Wicker Cage
Kathleen Kinder
R
Make Me Disappear
Make Me Disappear
Cameron Kent
R
Scor-Sting
Scor-Sting
Frank A. Javor
R
The Phantom of the Hollywood Bowl
The Phantom of the Hollywood Bowl
Mark Traversino
R
Quantum Gate
Quantum Gate
Jane E. Hawkins
R
Plague Moon
Plague Moon
Nathan Elliott
R
Breaking Strain
Breaking Strain
Paul Preuss
R
The Grass Dancer
The Grass Dancer
Susan Power
R
The Mountain Walks
The Mountain Walks
Roland J. Green
R
Siren
Siren
Linda Crockett Gray
R
The Willow Garden
The Willow Garden
Kathryn Grant
R
The Moon Scroll
The Moon Scroll
Tony Abbott
R
Cathedral of Thorns
Cathedral of Thorns
Steven Frankos
R
All Tomorrow's Parties
All Tomorrow's Parties
William Gibson
R
Cauldron of Ghosts
Cauldron of Ghosts
David Weber; Eric Flint
R
Blue Moon
Blue Moon
Hila Feil
R
The Doorman
The Doorman
Reinaldo Arenas
R
The Armlet of the Gods
The Armlet of the Gods
Lloyd Arthur Eshbach
R