Adult 18+ sci-fi books

31474 books

The Sinners' Garden
The Sinners' Garden
William Sirls
PG-13
Revelations
Revelations
T. W. Brown
PG-13
The Great Expanding Guinea Pig
The Great Expanding Guinea Pig
Karen McCombie
PG-13
Fluke
Fluke
C. Dennis Moore
PG-13
Yor's Revenge
Yor's Revenge
Roy V. Young
PG-13
The Slave-Stealers
The Slave-Stealers
Eirlys Hunter
PG-13
Time Beyond Beginning
Time Beyond Beginning
William Sarabande
PG
Rosa in Sparkle City
Rosa in Sparkle City
Poppy Collins
PG-13
The Forever Children
The Forever Children
Eric Flanders
PG-13
In the Electric Mist with Confederate Dead
In the Electric Mist with Confederate Dead
James Lee Burke
R
The Child of Good Fortune
The Child of Good Fortune
Tom De Haan
PG-13
The Book of the Dead
The Book of the Dead
Douglas Preston; Lincoln Child
PG-13
Demon in My Dorm Room
Demon in My Dorm Room
Chelsea M. Campbell
PG-13
The Borribles Go for Broke
The Borribles Go for Broke
Michael de Larrabeiti
R
Fires of Invention
Fires of Invention
J. Scott Savage
PG-13
The Year of Lightning
The Year of Lightning
Ryan Dalton
PG-13
Independence Day
Independence Day
Bob Mayer
PG-13
Over the River
Over the River
October Weeks
PG-13
Wrath of an Angry God
Wrath of an Angry God
Gibson Michaels
PG-13
The Rebirth
The Rebirth
C. J. Cherryh
PG-13
All the Rage
All the Rage
F. Paul Wilson
PG-13
Secret Life of Colors
Secret Life of Colors
Steve Savile
PG-13
The Young Dictator
The Young Dictator
Rhys Hughes
PG-13
Joe v. the Fairies
Joe v. the Fairies
Emily Smith
PG-13
Mrs. Frisby and the Rats of NIMH
Mrs. Frisby and the Rats of NIMH
Robert C. O'Brien
G
The Blood-and-Thunder Adventure on Hurricane Peak
The Blood-and-Thunder Adventure on Hurricane Peak
Margaret Mahy
PG-13
E.T. the Extra-Terrestrial in His Adventure on Earth
E.T. the Extra-Terrestrial in His Adventure on Earth
William Kotzwinkle
G
The Visitor
The Visitor
Chauncey G. Parker
PG-13
War God
War God
Patrick F. Rogers
R
The Baffling Case of the Battered Brain
The Baffling Case of the Battered Brain
Pendred Noyce
PG-13