R rated sci-fi books

5467 books

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

Secrets of the Morning
Secrets of the Morning
Virginia Andrews
R
The Cloud
The Cloud
Robert Rivenbark
R
EMP Lodge Series: Six Book Complete Boxset
EMP Lodge Series: Six Book Complete Boxset
Grace Hamilton
R
The House at the End of the World: A Suspenseful Thriller from the Master of Suspense
The House at the End of the World: A Suspenseful Thriller from the Master of Suspense
Dean Koontz
R
Andy in the Apocalypse: A LitRPG Adventure
Andy in the Apocalypse: A LitRPG Adventure
Plum Parrot
R
Siege Perilous
Siege Perilous
E. D. deBirmingham
R
Parable of the Sower
Parable of the Sower
Octavia E. Butler
R
Burning Moon
Burning Moon
Dan Abnett
R
Edge of Collapse
Edge of Collapse
Kyla Stone
R
The Other Tree
The Other Tree
D. K. Mok
R
The Quiet Final Countdown: A Post-Apocalyptic Military Thriller
The Quiet Final Countdown: A Post-Apocalyptic Military Thriller
Brent Johnston
R
A Land of Mirrors
A Land of Mirrors
Alfred Coppel
R
Apocalypse Slayer
Apocalypse Slayer
Jakob Tanner
R
Sacred Fire
Sacred Fire
Tanai Walker
R
Power Speaks Loudest (Living Ice Book 8)
Power Speaks Loudest (Living Ice Book 8)
Dmitry Sheleg
R
In the Caves of Exile
In the Caves of Exile
Ru Emerson
R
Klystar
Klystar
Leong Ying
R
Three Souls
Three Souls
Janie Chang
R
Darkness Awakened
Darkness Awakened
Katie Reus
R
Panic Button
Panic Button
Frazer Lee
R
Howling Dark
Howling Dark
Christopher Ruocchio
R
An Unprivate War
An Unprivate War
T. S. Snow
R
The Faith of Beasts
The Faith of Beasts
James S. A. Corey
R
Crygender
Crygender
Thomas T. Thomas
R
Silver Elite
Silver Elite
Dani Francis
R
The President
The President
Drew Pearson
R
Heaven's Reach
Heaven's Reach
David Brin
R
Galactic Vigilante
Galactic Vigilante
T. Jackson King
R
The Avatar Battle
The Avatar Battle
Chad Morris
R
The War Inevitable
The War Inevitable
Alan H. Burgoyne
R