R rated sci-fi books

5195 books

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

Golden Son
Golden Son
Pierce Brown
R
Dream for Danger
Dream for Danger
Anna Lewins
R
Bearing Northeast
Bearing Northeast
Henry Melton
R
Arrival of the Prince
Arrival of the Prince
James Rutledge
R
Blood Kin
Blood Kin
Ardath Mayhar
R
The Face on the Wall
The Face on the Wall
Carol Barton
R
Warriors of the Light
Warriors of the Light
Larry Ivkovich
R
Onlooker
Onlooker
Roger Davenport
R
Star of Islam
Star of Islam
T. Jackson King
R
The Great All-Star Animal League Ball Game
The Great All-Star Animal League Ball Game
Vincent Starrett
R
The High Priestess
The High Priestess
Peter Krausche
R
War of the Realms
War of the Realms
Kate O'Hearn
R
The Last Enemy
The Last Enemy
Barry B. Longyear
R
Void Stalker
Void Stalker
Aaron Dembski-Bowden
R
Twinkle
Twinkle
S. J. Parkinson
R
Memories of Ice
Memories of Ice
Steven Erikson
R
And All the King's Men
And All the King's Men
Gordon Stevens
R
The Battle Immortal
The Battle Immortal
Karen Azinger
R
Explosive Negotiations
Explosive Negotiations
Michael Anderle
R
Locadio's Apprentice
Locadio's Apprentice
Chelsea Quinn Yarbro
R
Craven House Horrors
Craven House Horrors
Hilary H. Milton
R
Seven Beyond
Seven Beyond
Stella Atrium
R
Nemesis
Nemesis
Michael Stephen Fuchs
R
The First Battle
The First Battle
Erin Hunter
R
Keep Calm and Sparkle On!
Keep Calm and Sparkle On!
Sarah Aronson
R
The Mars One Crew Manual
The Mars One Crew Manual
Kerry Mark Joels
R
Hammer of God
Hammer of God
John Schettler
R
Midnight Tides
Midnight Tides
Steven Erikson
R
Young Hercules
Young Hercules
Mel Odom
R
Survivor in Death
Survivor in Death
J. D. Robb
R