R rated sci-fi books

5467 books

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

Streets of Gold
Streets of Gold
Lelia Rose Foreman
R
The Wars Not Won
The Wars Not Won
Kate L Mary
R
Portal to Nova Roma: Omnibus, Books 1-3
Portal to Nova Roma: Omnibus, Books 1-3
J.R. Mathews
R
Firestarter
Firestarter
Stephen King
R
The Passenger
The Passenger
Cormac McCarthy
R
War of the Marionettes
War of the Marionettes
Adam-Troy Castro
R
Black Feathers
Black Feathers
Robert J. Wiersema
R
Trial of the Seventh Carrier
Trial of the Seventh Carrier
Peter Albano
R
Attack of the Seventh Carrier
Attack of the Seventh Carrier
Peter Albano
R
The Seventh Carrier
The Seventh Carrier
Peter Albano
R
The Fear Principle
The Fear Principle
B. A. Chepaitis
R
MEGA SPACE: THE O'NEILL LEGACY 1
MEGA SPACE: THE O'NEILL LEGACY 1
M. D. KING
R
Ultimate Unwind Paperback Collection (Boxed Set): Unwind; UnWholly; UnSouled; UnDivided; UnBound (Unwind Dystology)
Ultimate Unwind Paperback Collection (Boxed Set): Unwind; UnWholly; UnSouled; UnDivided; UnBound (Unwind Dystology)
Neal Shusterman
R
The Primal Hunter 12
The Primal Hunter 12
Zogarth
R
Dead of Night: The Curse of the Living Tool
Dead of Night: The Curse of the Living Tool
Wayne Kyle Spitzer;Bill Link
R
Galactic Warriors
Galactic Warriors
David Bischoff
R
Safe House
Safe House
Diane Duane
R
Defiance of the Fall 3
Defiance of the Fall 3
TheFirstDefier
R
The Shore of Women
The Shore of Women
Pamela Sargent
R
Light Raid
Light Raid
Connie Willis; Cynthia Felice
R
Into the Storms: A Hell Divers Prequel: Hell Divers Series
Into the Storms: A Hell Divers Prequel: Hell Divers Series
Nicholas Sansbury Smith
R
Ghost Chrysalis
Ghost Chrysalis
Plum Parrot
R
Legacy of Stars
Legacy of Stars
J.N. Chaney
R
Fight the Aliens
Fight the Aliens
T. Jackson King
R
The Chaos Squad Complete Series Boxed Set
The Chaos Squad Complete Series Boxed Set
Michael Anderle
R
Journey Across Planet X
Journey Across Planet X
Jude Watson; K. D. Burkett
R
Heartlight
Heartlight
Marion Zimmer Bradley
R
The Galactic Rejects
The Galactic Rejects
Andrew J. Offutt
R
The Lilith Factor
The Lilith Factor
Jean Paiva
R
The Harvest Bride
The Harvest Bride
Tony Richards
R