Hard R rated sci-fi books

114 books

Sci-fi books with intense mature content including graphic gore, extreme violence, or disturbing themes. For adult readers who are comfortable with dark content.

The Dorians
The Dorians
Nick Cutter
Hard R
Infernal Angel
Infernal Angel
Edward Lee
Hard R
Once Upon a Halloween
Once Upon a Halloween
Richard Laymon
Hard R
Ladies' Night
Ladies' Night
Jack Ketchum
Hard R
Kushiel's Chosen
Kushiel's Chosen
Jacqueline Carey
Hard R
The Book of Days
The Book of Days
K. A. Barker
Hard R
Liquor
Liquor
Poppy Z. Brite
Hard R
Krieg (Warhammer 40,000)
Krieg (Warhammer 40,000)
Steve Lyons
Hard R
Flesh Gothic
Flesh Gothic
Edward Lee
Hard R
Hellmarine: The Omnibus
Hellmarine: The Omnibus
Virgil Knightley
Hard R
In the Skin of a Monster
In the Skin of a Monster
Kathryn Barker
Hard R
Prize of Gor
Prize of Gor
John Norman
Hard R
Godblight (Dark Imperium)
Godblight (Dark Imperium)
Guy Haley
Hard R
The End and the Death: Volume III (The Horus Heresy: Siege of Terra)
The End and the Death: Volume III (The Horus Heresy: Siege of Terra)
Dan Abnett
Hard R
Her Body and Other Parties
Her Body and Other Parties
Carmen Maria Machado
Hard R
A Clockwork Orange
A Clockwork Orange
Anthony Burgess
Hard R
The Quarterlands
The Quarterlands
Xanthe Walter
Hard R
An Easy Repair Mission
An Easy Repair Mission
Jason Cheek
Hard R
The War of the Cybernauts
The War of the Cybernauts
Bruce Cassiday
Hard R
The Haunter of the Threshold
The Haunter of the Threshold
Edward Lee
Hard R
The Dark Tower VII
The Dark Tower VII
Stephen King
Hard R
Tender Is the Flesh
Tender Is the Flesh
Agustina Bazterrica
Hard R
Cabal: The Nightbreed
Cabal: The Nightbreed
Clive Barker
Hard R
Warhawk (The Horus Heresy: Siege of Terra)
Warhawk (The Horus Heresy: Siege of Terra)
Chris Wraight
Hard R
ATOMSHOCK: The Cannibal Code, Part 1: A Post-Apocalyptic Nuclear Wasteland Thriller
ATOMSHOCK: The Cannibal Code, Part 1: A Post-Apocalyptic Nuclear Wasteland Thriller
Dan Archer
Hard R
American Rapture
American Rapture
CJ Leede
Hard R
Gravity's Rainbow
Gravity's Rainbow
Thomas Pynchon
Hard R
Severed
Severed
Gary Fry
Hard R
Consider Phlebas
Consider Phlebas
Iain M. Banks
Hard R
Triads
Triads
Poppy Z. Brite; Christa Faust
Hard R