R rated sci-fi books

5467 books

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

Fanglith
Fanglith
John Dalmas
R
When the Whip Comes Down
When the Whip Comes Down
Jeremy Reed
R
Warlock and Son
Warlock and Son
Christopher Stasheff
R
Guardian Angels
Guardian Angels
Joseph A. Citro
R
The Price of Power
The Price of Power
Rose Estes
R
Santa's Little Helper
Santa's Little Helper
Cathy East Dubowski
R
Sarum: The Novel of England
Sarum: The Novel of England
Edward Rutherfurd
R
Tales from the Saragossa Manuscript
Tales from the Saragossa Manuscript
Jan Potocki
R
Cobwebwalking
Cobwebwalking
Sara Banerji
R
Shadow of a Broken Man
Shadow of a Broken Man
George C. Chesbro
R
Spring Break
Spring Break
Nicholas Pine
R
Sixteen Candles
Sixteen Candles
Nicholas Pine
R
Coz
Coz
Mary Pjerrou
R
Set This House in Order: A Romance of Souls
Set This House in Order: A Romance of Souls
Matt Ruff
R
Maniac
Maniac
John Peel
R
Shadows on the Graveyard Trail
Shadows on the Graveyard Trail
Stephen Mooser
R
Shape-shifter
Shape-shifter
Chris Archer
R
Landscape Painted with Tea
Landscape Painted with Tea
Milorad Pavić
R
Shadow Dance
Shadow Dance
Jessica Palmer
R
Transform Node: Science Fiction Mystical Adventures
Transform Node: Science Fiction Mystical Adventures
Ronn Parker
R
Fire Wars
Fire Wars
Jessica Palmer
R
A Basket of Wishes
A Basket of Wishes
Rebecca Paisley
R
Dead Season
Dead Season
J. Bradley Owen
R
Persea
Persea
Cary Osborne
R
The Glaive
The Glaive
Cary Osborne
R
Life in the West
Life in the West
Brian W. Aldiss
R
Ecstasia
Ecstasia
Francesca Lia Block
R
Live from Earth
Live from Earth
Lance Olsen
R
Sam Gunn, Unlimited
Sam Gunn, Unlimited
Ben Bova
R
A Ceremonial Death
A Ceremonial Death
Sheri S. Tepper
R