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 Speed Queen
The Speed Queen
Stewart O'Nan
R
On Stormy Seas
On Stormy Seas
Eric Thomson
R
Return of the Ancients
Return of the Ancients
Greig Beck
R
King of the Vagabonds
King of the Vagabonds
Neal Stephenson
R
Beowulf
Beowulf
Seamus Heaney
R
Cybersong
Cybersong
S. N. Lewitt
R
Dance Upon the Air
Dance Upon the Air
Nora Roberts
R
The Man Upstairs
The Man Upstairs
Terry L. Parkinson
R
Death and the Delinquent
Death and the Delinquent
Sheri S. Tepper
R
Gone South
Gone South
Robert R. McCammon
R
Bless the Beasts
Bless the Beasts
Karen Haber
R
Way of the Pilgrim
Way of the Pilgrim
Gordon R. Dickson
R
The Legend of Drizzt 25th Anniversary Edition, Book IV
The Legend of Drizzt 25th Anniversary Edition, Book IV
R. A. Salvatore
R
Jimmy, the Pickpocket of the Palace
Jimmy, the Pickpocket of the Palace
Donna Jo Napoli
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Return to the Stars
Return to the Stars
Edmond Hamilton
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Albion! Albion!
Albion! Albion!
Dick Morland
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Cirque Du Freak
Cirque Du Freak
Darren Shan
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Dante's Equation
Dante's Equation
Jane Jensen
R
Bulldozer Rising
Bulldozer Rising
Anna Livia
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Chains of Command
Chains of Command
Bill McCay; Eloise Flood
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The AI War
The AI War
Stephen Ames Berry
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Lucky Legacy
Lucky Legacy
Joshua James
R
Ocean Girl
Ocean Girl
Peter Hepworth
R
Beyond the Shroud
Beyond the Shroud
Rick Hautala
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The New Atlanteans
The New Atlanteans
Emil Cohen Areton
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Maui: The Demigod
Maui: The Demigod
Steven Goldsberry
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Trekmaster
Trekmaster
James B. Johnson
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Requiem for the Conqueror
Requiem for the Conqueror
W. Michael Gear
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Mindsail
Mindsail
Anne Gay
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The Road to Mars
The Road to Mars
Eric Idle
R