R rated sci-fi books

5467 books

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

Kane Unchained
Kane Unchained
Dick Wybrow
R
Kane Resurrected
Kane Resurrected
Dick Wybrow
R
SpecOps
SpecOps
Craig Alanson
R
The Ghost Brigades
The Ghost Brigades
John Scalzi
R
Horus Rising
Horus Rising
Dan Abnett
R
Escape Me Deluxe Limited Edition
Escape Me Deluxe Limited Edition
Tahereh Mafi
R
UnDivided (Unwind Dystology)
UnDivided (Unwind Dystology)
Neal Shusterman
R
Hijo Dorado [Golden Son]
Hijo Dorado [Golden Son]
Pierce Brown
R
The Kill Order: The Origin of the Maze Runner (The Maze Runner Series)
The Kill Order: The Origin of the Maze Runner (The Maze Runner Series)
James Dashner
R
Brightness Reef
Brightness Reef
David Brin
R
Interview with the Vampire
Interview with the Vampire
Anne Rice
R
Startide Rising
Startide Rising
David Brin
R
Dark Apprentice
Dark Apprentice
Kevin J. Anderson
R
Mistwalker
Mistwalker
Denise Lopes Heald
R
Midshipman's Hope
Midshipman's Hope
David Feintuch
R
City in the Sky
City in the Sky
Curt Siodmak
R
The Difference Engine
The Difference Engine
William Gibson; Bruce Sterling
R
Medusa: A Tiger by the Tail
Medusa: A Tiger by the Tail
Jack L. Chalker
R
Echoes of the Well of Souls
Echoes of the Well of Souls
Jack L. Chalker
R
The Cybernetic Walrus
The Cybernetic Walrus
Jack L. Chalker
R
The Identity Matrix
The Identity Matrix
Jack L. Chalker
R
The Morpheus Factor
The Morpheus Factor
Ashley McConnell
R
Jamie the Red
Jamie the Red
Roland Green; Gordon R. Dickson
R
Blood Legacy
Blood Legacy
Michael A. Stackpole
R
Lost Destiny
Lost Destiny
Michael A. Stackpole
R
High Crystal
High Crystal
Martin Caidin
R
The Pillars of the World
The Pillars of the World
Anne Bishop
R
Sacrifice
Sacrifice
Kristine Kathryn Rusch
R
The Plant That Ate Dirty Socks Goes Hollywood
The Plant That Ate Dirty Socks Goes Hollywood
Nancy McArthur
R
Magnificat
Magnificat
Julian May
R