Adult 18+ sci-fi books

31474 books

First and Only
First and Only
Dan Abnett
PG-13
Archangel's Consort
Archangel's Consort
Nalini Singh
R
Captain Vorpatril's Alliance
Captain Vorpatril's Alliance
Lois McMaster Bujold
PG-13
The Desert Spear
The Desert Spear
Peter V. Brett
R
Destination: Mutiny
Destination: Mutiny
Deborah Chester
R
Firestreak
Firestreak
Neil Hunter
R
Zinnia
Zinnia
Jayne Ann Krentz
PG-13
Deersnake
Deersnake
Lucy Sussex
PG-13
Brothers in Arms
Brothers in Arms
Lois McMaster Bujold
PG-13
Forgotten Worlds
Forgotten Worlds
Howard Browne
PG
The Lost Choice: A Legend of Personal Discovery
The Lost Choice: A Legend of Personal Discovery
Andy Andrews
R
Tears of the Moon
Tears of the Moon
Nora Roberts
PG-13
Dance of Death
Dance of Death
Lincoln Child; Douglas Preston
PG-13
Jack the Bodiless
Jack the Bodiless
Julian May
PG-13
The Bronze of Eddarta
The Bronze of Eddarta
Randall Garrett; Vicki Ann Heydron
PG-13
Wild Seed
Wild Seed
Octavia E. Butler
R
Lady Slings the Booze
Lady Slings the Booze
Spider Robinson
R
The Reason
The Reason
Marley Gibson
PG-13
Midnight's Master
Midnight's Master
Cynthia Eden
PG-13
The Mars Convention
The Mars Convention
Kenneth Tam
PG-13
How Firm a Foundation
How Firm a Foundation
David Weber
PG-13
The Triumphal Homecoming Battle
The Triumphal Homecoming Battle
Yuu Miyazaki
PG-13
Wolf in Shadow
Wolf in Shadow
David A. Gemmell
R
The Naked Sun
The Naked Sun
Isaac Asimov
PG
Galaxy Man
Galaxy Man
Candace Sams
PG-13
Back to the Future
Back to the Future
George Gipe
PG
Riding the Thunder
Riding the Thunder
Deborah MacGillivray
PG-13
My Heart Leaps Up
My Heart Leaps Up
R. A. Lafferty
R
Unreap My Heart
Unreap My Heart
Kate Evangelista
PG-13
Plague Moon
Plague Moon
Nathan Elliott
R