R rated sci-fi books

5467 books

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

The Last Master
The Last Master
Gordon R. Dickson
R
Jupiter's Shadow
Jupiter's Shadow
David M. Drury
R
The Little Vampire on the Farm
The Little Vampire on the Farm
Angela Sommer-Bodenburg
R
The Oval Amulet
The Oval Amulet
Lucy Cullyford Babbitt
R
The Rich and the Righteous
The Rich and the Righteous
Helen Van Slyke
R
The Silken Shroud
The Silken Shroud
ElizaBeth Gilligan
R
The Stendal Raid
The Stendal Raid
Al Dempsey
R
The Soul of Betty Fairchild
The Soul of Betty Fairchild
Robert Specht
R
Godblind
Godblind
Anna Stephens
R
The Torching
The Torching
Marcy Heidish
R
The Thirteenth Daughter of the Moon
The Thirteenth Daughter of the Moon
Steven Nightingale
R
The Window
The Window
Carol Ellis
R
Time Changer
Time Changer
Rich Christiano; Greg Mitchell
R
To Catch a Wolf
To Catch a Wolf
Susan Krinard
R
The Treasure of the Golden God
The Treasure of the Golden God
A. Hyatt Verrill
R
The Tankermen
The Tankermen
Margo Lanagan
R
Treasure Hunters of Quentaris
Treasure Hunters of Quentaris
Margo Lanagan
R
Wyrmhole
Wyrmhole
Jay Caselberg
R
Xenos
Xenos
Dan Abnett
R
The Hand of Glory
The Hand of Glory
Sophie Masson
R
The Witch in the Lake
The Witch in the Lake
Anna Fienberg
R
Market Blues
Market Blues
Kirsty Murray
R
Night of the Living Dead
Night of the Living Dead
John Russo; George Romero
R
Homefall
Homefall
Chris Bunch
R
Moontide
Moontide
Erin Patrick
R
Seeds of Fire
Seeds of Fire
Karin Kallmaker
R
The Portrait of Mrs. Charbuque
The Portrait of Mrs. Charbuque
Jeffrey Ford
R
Escape from Heaven
Escape from Heaven
J. Neil Schulman
R
Abraham Lincoln: Vampire Hunter
Abraham Lincoln: Vampire Hunter
Seth Grahame-Smith
R
The Ropemaker
The Ropemaker
Peter Dickinson
R