R rated sci-fi books

5467 books

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

Uprising
Uprising
Sarah Cawkwell
R
Who Censored Roger Rabbit?
Who Censored Roger Rabbit?
Gary K. Wolf
R
Little Sister
Little Sister
Patricia J. MacDonald
R
Children of the Dusk
Children of the Dusk
Janet Berliner; George Guthridge
R
Leviathan
Leviathan
Vaughn Heppner
R
Deus-X
Deus-X
Joseph A. Citro
R
Warrior Planet
Warrior Planet
Don Wismer
R
Assassins Play-Off
Assassins Play-Off
Richard Sapir; Warren Murphy
R
Convergence
Convergence
Charles Sheffield
R
The Bear Went Over the Mountain
The Bear Went Over the Mountain
William Kotzwinkle
R
Shadow War
Shadow War
Deborah Chester
R
Full Moon
Full Moon
Mick Winters
R
Outward Bound
Outward Bound
Juanita Coulson
R
Earthling
Earthling
Tony Daniel
R
To Tame a Wild Heart
To Tame a Wild Heart
Tracy Fobes
R
The Galileo 7
The Galileo 7
Oliver Crawford; S. Bar-David
R
Backlash
Backlash
Stewart Farrar
R
I, Martha Adams
I, Martha Adams
Pauline Glen Winslow
R
Vampire World 3: Bloodwars
Vampire World 3: Bloodwars
Brian Lumley
R
The Wanderings of Odysseus
The Wanderings of Odysseus
Rosemary Sutcliff
R
Reconnoitre Krellig II
Reconnoitre Krellig II
Jon J. Deegan
R
Tek Net
Tek Net
William Shatner
R
The House of Death
The House of Death
Patricia Windsor
R
The Kidnap Club
The Kidnap Club
Arthur B. Reeve
R
Tyrant's Test
Tyrant's Test
Michael P. Kube-McDowell
R
Mother of Demons
Mother of Demons
Eric Flint
R
Battle of the Bots
Battle of the Bots
C. J. Richards
R
Doctor Who and the Ice Warriors
Doctor Who and the Ice Warriors
Brian Hayles
R
Attack of the Cybermen
Attack of the Cybermen
Eric Saward
R
Tragedy Day
Tragedy Day
Gareth Roberts
R