R rated sci-fi books

5467 books

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

Dark Victory
Dark Victory
William Shatner; Judith Reeves-Stevens; Garfield Reeves-Stevens
R
The Salvation
The Salvation
Melinda Metz
R
Luna: New Moon
Luna: New Moon
Ian McDonald
R
Luna: Wolf Moon
Luna: Wolf Moon
Ian McDonald
R
Cut by Emerald
Cut by Emerald
Dana Kramer
R
The God Thing
The God Thing
Michael Jan Friedman; Gene Roddenberry
R
Raven's Point
Raven's Point
Melinda Metz
R
The Road
The Road
Cormac McCarthy
R
Purity
Purity
Shaun Hutson
R
Sabrina Goes to Rome
Sabrina Goes to Rome
Mel Odom
R
Dark Empire
Dark Empire
John Whitman
R
Ring Shout
Ring Shout
P. Djeli Clark
R
Time Trap
Time Trap
Deborah Chester
R
The Fulfilments of Fate and Desire
The Fulfilments of Fate and Desire
Storm Constantine
R
Artifact
Artifact
Gregory Benford
R
Feed
Feed
Seanan McGuire
R
Deadline
Deadline
Seanan McGuire
R
Blackout
Blackout
Seanan McGuire
R
The Blues Ain't Nothin': Tales of the Lonesome Blues Pub
The Blues Ain't Nothin': Tales of the Lonesome Blues Pub
Tina L. Jens
R
Feedback
Feedback
Seanan McGuire
R
The Offspring
The Offspring
J. N. Williamson
R
Sole Ownership
Sole Ownership
Douglas R. Miller
R
Mission to the Heart Stars
Mission to the Heart Stars
James Blish
R
Armor
Armor
John Steakley
R
The Rise of the Wyrm Lord
The Rise of the Wyrm Lord
Wayne Thomas Batson
R
Reclamation
Reclamation
Michael D. Speir
R
The Messiah Stone
The Messiah Stone
Martin Caidin
R
Time Pressure
Time Pressure
Spider Robinson
R
A Continent Adrift
A Continent Adrift
Vladimir Chernozemsky
R
After the Blue
After the Blue
Russel Like
R