R rated sci-fi books

5467 books

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

Junkyard Roadhouse
Junkyard Roadhouse
Faith Hunter
R
The Worst Rescuers in the Republic
The Worst Rescuers in the Republic
Skyler Ramirez
R
Decisive Action:
Decisive Action:
M. Tress
R
The Testaments (TV Tie-in): A Novel
The Testaments (TV Tie-in): A Novel
Margaret Atwood
R
The Butcher's Masquerade (Dungeon Crawler Carl)
The Butcher's Masquerade (Dungeon Crawler Carl)
Matt Dinniman
R
The Gate of the Feral Gods (Dungeon Crawler Carl)
The Gate of the Feral Gods (Dungeon Crawler Carl)
Matt Dinniman
R
This Inevitable Ruin (Dungeon Crawler Carl)
This Inevitable Ruin (Dungeon Crawler Carl)
Matt Dinniman
R
HIVE (Warhammer 40,000)
HIVE (Warhammer 40,000)
Dan Abnett
R
Hell World
Hell World
B.V. Larson
R
World War Z: The Complete Edition: An Oral History of the Zombie War
World War Z: The Complete Edition: An Oral History of the Zombie War
Max Brooks
R
Raaze
Raaze
Mina Carter
R
Control
Control
Sean Oswald
R
Three-Body Problem Boxed Set: The Dark Forest, Death's End
Three-Body Problem Boxed Set: The Dark Forest, Death's End
Cixin Liu
R
RuinForged Architect Book Two: Apocalypse System Litrpg
RuinForged Architect Book Two: Apocalypse System Litrpg
Malik Mark
R
Nanomancer: Book 1
Nanomancer: Book 1
Cassius Lange
R
11/22/63: A Novel
11/22/63: A Novel
Stephen King
R
Magent 3: New York Supernatural Division
Magent 3: New York Supernatural Division
Dante King
R
The Irresistible Urge to Fall for Your Enemy
The Irresistible Urge to Fall for Your Enemy
Brigitte Knightley
R
DMZ Thunder
DMZ Thunder
T. K. Blackwood
R
Magent 2: New York Supernatural Division
Magent 2: New York Supernatural Division
Dante King
R
Dawn of Conflict: An epic world battle begins...
Dawn of Conflict: An epic world battle begins...
Eric Helm
R
World War 3.1: A Novel of the Axis of Time
World War 3.1: A Novel of the Axis of Time
John Birmingham
R
Heart and Soul
Heart and Soul
James Haddock
R
ROBOT DETECTIVE: A Sci-Fi Noir Mystery
ROBOT DETECTIVE: A Sci-Fi Noir Mystery
Shawn Goodman
R
When She Wishes (Risdaverse)
When She Wishes (Risdaverse)
Ruby Dixon
R
Ice Dragon's Heart
Ice Dragon's Heart
Honey Phillips
R
Claimed for the Alien Bride Lottery: A Sci Fi Alien Romance
Claimed for the Alien Bride Lottery: A Sci Fi Alien Romance
Margo Bond Collins
R
The Alien Farmer Needs a Wife: Steamy Sci Fi Alien Romance (Galactic Mail-Order Brides)
The Alien Farmer Needs a Wife: Steamy Sci Fi Alien Romance (Galactic Mail-Order Brides)
Ava Blaire
R
The Drone War: A Military Sci-Fi Adventure
The Drone War: A Military Sci-Fi Adventure
Craig Martelle
R
The War Game: Cherry Mission
The War Game: Cherry Mission
August Aird
R