R rated sci-fi books

5467 books

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

An Enemy Reborn
An Enemy Reborn
Michael A. Stackpole; William F. Wu
R
Wasp
Wasp
Eric Frank Russell
R
Cyberbooks
Cyberbooks
Ben Bova
R
Lando Calrissian and the Starcave of ThonBoka
Lando Calrissian and the Starcave of ThonBoka
L. Neil Smith
R
Lunar Descent
Lunar Descent
Allen Steele
R
First & Only
First & Only
Dan Abnett
R
The Hub
The Hub
Chris Beebee
R
Moonlight Brigade
Moonlight Brigade
C. Alexander London
R
The Sykaos Papers
The Sykaos Papers
E. P. Thompson
R
The Long Night of Centauri Prime
The Long Night of Centauri Prime
Peter David
R
The Veil of Snows
The Veil of Snows
Mark Helprin
R
To Keep the Ship
To Keep the Ship
A. Bertram Chandler
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X, Y
X, Y
Michael Blumlein
R
Maze of Worlds
Maze of Worlds
Brian Lumley
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Star Child
Star Child
James P. Hogan
R
Into the Chaos
Into the Chaos
James Rosone;Tc Manning
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Lord of Sunset
Lord of Sunset
Parke Godwin
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One of Us
One of Us
Michael Marshall Smith
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Irrational Fears
Irrational Fears
William Browning Spencer
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Necroscope
Necroscope
Brian Lumley
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Child of Fire
Child of Fire
Linda Reames Fox; Joyce Cottrell
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Noir
Noir
K. W. Jeter
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The Keeper of the Wind
The Keeper of the Wind
Charlotte Boyett-Compo
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Whores of Babylon
Whores of Babylon
Ian Watson
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Timelapse
Timelapse
David F. Nighbert
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Survival
Survival
Rona Munro
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The Vindication
The Vindication
C. J. Cherryh
R
Who Made Stevie Crye?
Who Made Stevie Crye?
Michael Bishop
R
Orion
Orion
Ben Bova
R
Escape from Robotropolis
Escape from Robotropolis
Fred D'Ignazio
R