Adult 18+ sci-fi books

30997 books

The Delirium Brief
The Delirium Brief
Charles Stross
PG-13
The Preposterous Adventures of Swimmer
The Preposterous Adventures of Swimmer
Alexander Key
PG
The Crow Goddess
The Crow Goddess
Patricia Finney
PG-13
Return to War
Return to War
P. M. Griffin
PG-13
Straight Silver
Straight Silver
Dan Abnett
R
Agent of Artifice
Agent of Artifice
S. Evan Townsend
PG-13
Q-Ship Chameleon
Q-Ship Chameleon
Glynn Stewart
PG-13
Space Invaders
Space Invaders
Nate Ball
PG-13
Danay
Danay
Aviva Bel'Harold
PG-13
The Monster's Daughter
The Monster's Daughter
Paul Gamble
PG-13
Paddington Helps Out
Paddington Helps Out
Michael Bond
PG-13
Renegade
Renegade
Joel Shepherd
PG-13
The Black Stars
The Black Stars
Dan Krokos
PG-13
Desolator
Desolator
David VanDyke
PG-13
The Promise
The Promise
Dee Davis
PG-13
Battle for Cannibal Island
Battle for Cannibal Island
Marianne Hering; Wayne Thomas Batson
R
One Boy, No Water
One Boy, No Water
Lehua Parker
PG-13
The Quirks and the Freaky Field Trip
The Quirks and the Freaky Field Trip
Erin Soderberg
PG-13
Exit
Exit
G. Michael Hopf
PG-13
The Glass Hummingbird
The Glass Hummingbird
E. R. Mason
PG-13
The Gathering Storm
The Gathering Storm
H. K. Varian
PG-13
Homeland
Homeland
R. A. Salvatore
PG-13
Satori
Satori
Dennis Schmidt
R
The Dispossessed
The Dispossessed
Ursula Le Guin
PG-13
The Highlander's Folly
The Highlander's Folly
Barbara Longley
PG-13
Scare Scape: The Midnight Door
Scare Scape: The Midnight Door
Sam Fisher
PG-13
Fight for Power
Fight for Power
Eric Walters
R
The Glass Gauntlet
The Glass Gauntlet
Carter Roy
PG-13
The Big One
The Big One
John Cutter
PG-13
The Rains of Eridan
The Rains of Eridan
H. M. Hoover
PG