Adult 18+ sci-fi books

31474 books

Crimson Revenant
Crimson Revenant
Trisha Baker
PG-13
Veiled
Veiled
Benedict Jacka
PG-13
Undeniable
Undeniable
L. J. Baker
PG-13
Burning up the Rain
Burning up the Rain
Cathryn Cade
PG-13
Raven's Children
Raven's Children
Sabrina Chase
PG-13
The Shield Ring
The Shield Ring
Rosemary Sutcliff
G
Delusion's Master
Delusion's Master
Tanith Lee
R
Dreams of the Compass Rose
Dreams of the Compass Rose
Vera Nazarian
PG-13
Jacob T. Marley
Jacob T. Marley
R. William Bennett
PG-13
The Secret Kiss of Darkness
The Secret Kiss of Darkness
Christina Courtenay
PG-13
Point of Dreams
Point of Dreams
Melissa Scott; Lisa A. Barnett
R
A Cautionary Tale for Young Vampires
A Cautionary Tale for Young Vampires
G. D. Falksen
PG-13
Hunt for the Hero
Hunt for the Hero
Craig Halloran
R
Mind Control
Mind Control
Jane Killick
PG-13
The Beautiful Pretender
The Beautiful Pretender
Melanie Dickerson
PG-13
Little Red Quacking Hood
Little Red Quacking Hood
Noah Z. Jones
PG-13
Dark Dreams: Progeny of Sin
Dark Dreams: Progeny of Sin
Dawn Treadway; Aaron Speca
PG-13
Bryant & May and the Burning Man
Bryant & May and the Burning Man
Christopher Fowler
PG-13
The Short Victorious War
The Short Victorious War
David Weber
PG-13
Divided Allegiance
Divided Allegiance
Elizabeth Moon
PG-13
A Guide to the Other Side
A Guide to the Other Side
Robert Imfeld
PG-13
Trust Me, I'm a Ninja
Trust Me, I'm a Ninja
Natalie Whipple
PG-13
Rocannon's World
Rocannon's World
Ursula K. Le Guin
PG-13
Destiny's Shield
Destiny's Shield
David Drake; Eric Flint
R
The Curse of Fenric
The Curse of Fenric
Ian Briggs
PG-13
The Falcon and the Serpent
The Falcon and the Serpent
Cheryl A. Smith
PG-13
Tales from the Saragossa Manuscript
Tales from the Saragossa Manuscript
Jan Potocki
R
But We Are Not of Earth
But We Are Not of Earth
Jean E. Karl
R
Scepticism Inc.
Scepticism Inc.
Bo Fowler
PG-13
Double Contact
Double Contact
James White
PG