R rated sci-fi books

5467 books

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

Warlords of Gaikon
Warlords of Gaikon
Jeffrey Lord
R
Eden's Exodus
Eden's Exodus
Ryan King; David VanDyke
R
Frankenstein
Frankenstein
Mary Wollstonecraft Shelley
R
Enhancing the Colony
Enhancing the Colony
Dwayne Hawkins
R
Cold in Summer
Cold in Summer
Tracy Barrett
R
Ride, Rebels!: Adventures of the Iron Scouts
Ride, Rebels!: Adventures of the Iron Scouts
Manly Wade Wellman
R
Carolina Moon
Carolina Moon
Nora Roberts
R
Siege of Mortania
Siege of Mortania
J. S. Morin
R
Body Bags
Body Bags
Christopher Golden
R
Crota
Crota
Owl Goingback
R
The Ultimatum
The Ultimatum
Susan Kearney
R
Dark Demon
Dark Demon
Christine Feehan
R
Unrelenting
Unrelenting
Mike Shepherd
R
Halcyon
Halcyon
James Swallow
R
Infoquake
Infoquake
David Louis Edelman
R
The Generals
The Generals
W. E. B. Griffin
R
Atlas 3
Atlas 3
Isaac Hooke
R
EMP Pulse and Ash: An EMP Post Apocalypse Prepper Survival Thriller Boxset
EMP Pulse and Ash: An EMP Post Apocalypse Prepper Survival Thriller Boxset
William Stone
R
In Danger's Path
In Danger's Path
W. E. B. Griffin
R
Beneath the Skin
Beneath the Skin
Tank Jaeger
R
Fire Warrior
Fire Warrior
Simon Spurrier
R
Journey to the Blue Moon
Journey to the Blue Moon
Rebecca Rupp
R
Enna Burning
Enna Burning
Shannon Hale
R
The Threat of a Sword
The Threat of a Sword
Patrick J. Higgins
R
Taken Liberty
Taken Liberty
Steven H. Wilson
R
The Voyage of the Sable Keech
The Voyage of the Sable Keech
Neal Asher
R
Polity Agent
Polity Agent
Neal Asher
R
Seas the Day
Seas the Day
Milly Taiden
R
Wankh
Wankh
Jack Vance
R
Survivor
Survivor
Mike Shepherd
R