R rated sci-fi books

5467 books

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

Juggler of Worlds
Juggler of Worlds
Larry Niven; Edward M. Lerner
R
Killing with the Edge of the Moon
Killing with the Edge of the Moon
A. A. Attanasio
R
Hydra's Ring
Hydra's Ring
Mark Ellis
R
Birmingham, 35 Miles
Birmingham, 35 Miles
James Braziel
R
Requiem
Requiem
Jeff Mariotte
R
Amazon Gate
Amazon Gate
Andy Boot
R
The Fifth Heart
The Fifth Heart
Dan Simmons
R
Christ the Lord: The Road to Cana
Christ the Lord: The Road to Cana
Anne Rice
R
The Unburdened
The Unburdened
David Annandale
R
Gray Magic
Gray Magic
Sarah Dreher
R
Gilda Joyce: The Ghost Sonata
Gilda Joyce: The Ghost Sonata
Jennifer Allison
R
The Queen of Stone
The Queen of Stone
Keith Baker
R
Adrienne
Adrienne
D. Renee Bagby
R
Far Star
Far Star
Eric Sarazen
R
98.4
98.4
Christopher Hodder-Williams
R
The Moonstone Spirit
The Moonstone Spirit
Jean DeWeese
R
The Golden Volcano
The Golden Volcano
Jules Verne
R
For Want of a Rivet
For Want of a Rivet
Bart Kemper
R
Echoes of Tartarus
Echoes of Tartarus
Don Morris
R
Fallen States: A Post-Apocalyptic Virus Thriller
Fallen States: A Post-Apocalyptic Virus Thriller
Jacob Vaughn
R
The Game of Life
The Game of Life
Timothy Leary
R
Save Scumming
Save Scumming
RavensDagger
R
My Brother, the Robot
My Brother, the Robot
Bonny Becker
R
The Man in the Moon
The Man in the Moon
James P. Blaylock
R
The Veiled Threat
The Veiled Threat
Alan Dean Foster
R
The Long Walk
The Long Walk
Stephen King
R
Spawn of Space
Spawn of Space
Franz Harkon
R
Walk in Moonlight
Walk in Moonlight
Rosemary Laurey
R
The Disco at the End of the World
The Disco at the End of the World
Nathan Tavares
R
Dark Space
Dark Space
Marianne de Pierres
R