R rated sci-fi books

5195 books

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

Kill All Angels
Kill All Angels
Robert Brockway
R
Dead of Winter
Dead of Winter
Kresley Cole
R
One Is the Sun
One Is the Sun
Patricia Nell Warren
R
Conflict of Honors
Conflict of Honors
Steve Miller; Sharon Lee
R
Skarsnik
Skarsnik
Guy Haley
R
Folk'd Up
Folk'd Up
Laurence Donaghy
R
The Wild
The Wild
David Zindell
R
The Devil Is a Part-Timer!, Vol. 1
The Devil Is a Part-Timer!, Vol. 1
Satoshi Wagahara
R
The Sandman and the War of Dreams
The Sandman and the War of Dreams
William Joyce
R
Pagan Moon
Pagan Moon
Freda Warrington
R
The Darkling Wind
The Darkling Wind
S. P. Somtow
R
The Battle for WondLa
The Battle for WondLa
Tony DiTerlizzi
R
Rich Man's War
Rich Man's War
Elliott Kay
R
The Battle
The Battle
Michela Montgomery
R
Into the Storm
Into the Storm
Meghan Brunner
R
Genecode Illegal
Genecode Illegal
T. Jackson King
R
Star Wars: The New Essential Chronology
Star Wars: The New Essential Chronology
Daniel Wallace; Kevin J. Anderson
R
Nightworld
Nightworld
F. Paul Wilson
R
Invasion of the Overworld
Invasion of the Overworld
Mark Cheverton
R
Dark Peril
Dark Peril
Christine Feehan
R
Night Calls
Night Calls
Katharine Eliska Kimbriel
R
Set This House in Order: A Romance of Souls
Set This House in Order: A Romance of Souls
Matt Ruff
R
The Grimjinx Rebellion
The Grimjinx Rebellion
Brian Farrey
R
The Tenant
The Tenant
Charles West
R
Boundary Born
Boundary Born
Melissa F. Olson
R
In the Face of My Enemy
In the Face of My Enemy
Joseph H. Delaney
R
The Generals
The Generals
W. E. B. Griffin
R
Pariah: Ravenor vs Eisenhorn
Pariah: Ravenor vs Eisenhorn
Dan Abnett
R
Recce
Recce
Phillip Richards
R
The Seed
The Seed
Davide de Angelis
R