Adult 18+ sci-fi books

30997 books

The Vast Spread of the Seas
The Vast Spread of the Seas
Fuyumi Ono
PG-13
The Battle Begins
The Battle Begins
Devon Hughes
R
Gabe
Gabe
Anna Hackett
PG-13
The Coconut Clue
The Coconut Clue
Helen Perelman
PG-13
Failstate: Nemesis
Failstate: Nemesis
John W. Otte
PG-13
Forged by Flames
Forged by Flames
Susan Illene
PG-13
The Lone Hunt
The Lone Hunt
L. L. Raand
PG-13
The Other Planet
The Other Planet
Ascher/Straus
PG-13
Sea of Change
Sea of Change
Shelley Munro
PG-13
Chains of Command
Chains of Command
Marko Kloos
R
Fields of Blood
Fields of Blood
Ben Kane
PG-13
Daughter of the Forest
Daughter of the Forest
Juliet Marillier
PG-13
The Blood of the Hoopoe
The Blood of the Hoopoe
Naomi Foyle
PG-13
The Candymakers
The Candymakers
Wendy Mass
PG-13
Stolen Away
Stolen Away
Kristin Dearborn
PG-13
Deadland
Deadland
Paul Mannering
PG-13
Crescent City Kills
Crescent City Kills
O'Neil De Noux
R
Lost in Barbarian Space
Lost in Barbarian Space
Anna Hackett
PG-13
The Lost Steersman
The Lost Steersman
Rosemary Kirstein
PG-13
Dinotopia: The World Beneath
Dinotopia: The World Beneath
James Gurney
PG-13
Black Wind
Black Wind
F. Paul Wilson
R
Intervention
Intervention
Julian May
R
Apocalypse Burning
Apocalypse Burning
Mel Odom
PG-13
The Guns of Two-Space
The Guns of Two-Space
Dave Grossman; Bob Hudson
R
The Hambledown Dream
The Hambledown Dream
Dean Mayes
PG-13
The Doomsday Curse
The Doomsday Curse
Jodie Brownlee
PG-13
Born of Hatred
Born of Hatred
Steve McHugh
PG-13
The Round Table
The Round Table
Jack Whyte
R
Sweet Reckoning
Sweet Reckoning
Wendy Higgins
PG-13
Mousemobile
Mousemobile
Prudence Breitrose
PG-13