Adult 18+ sci-fi books

30978 books

Hader and the Colonel
Hader and the Colonel
Donna Barr
R
The Children of the Damned
The Children of the Damned
Paul Hetzer
PG-13
Ethelwina; or, The House of Fitz-Auburne
Ethelwina; or, The House of Fitz-Auburne
T. J. Horsley Curties
R
The Monastery
The Monastery
Seeth Miko Trimpert
PG-13
The Prophet of Dune
The Prophet of Dune
Frank Herbert
G
Acts of War
Acts of War
Kenneth Tam
PG-13
Immortelle
Immortelle
Miranda Honfleur
PG-13
The Great Improbability: An Autobiographical Mystery by the People of Earth
The Great Improbability: An Autobiographical Mystery by the People of Earth
David Sayre
PG-13
Win, Lose, Draw
Win, Lose, Draw
Sara Stamey
PG
The Changeling War
The Changeling War
Craig Shaw Gardner
PG
First Rider's Call
First Rider's Call
Kristen Britain
R
Starship Warrior
Starship Warrior
Stephen Mooser
PG-13
Maze of Existence
Maze of Existence
Tina M. Randolph
PG-13
The Circle
The Circle
Harold R. Watson
PG-13
Outbound Flight
Outbound Flight
Timothy Zahn
R
Starsight
Starsight
Minnette Meador
PG-13
Net Assets
Net Assets
Carl Bussjaeger
PG-13
Alfie Green and the Fly-Trapper
Alfie Green and the Fly-Trapper
Joe O'Brien
PG-13
Refuge
Refuge
Melinda Viergever Inman
PG-13
Last Day
Last Day
Richard La Plante
PG-13
Mind Noise
Mind Noise
Helen A. Howell
PG-13
The Brightness Of Shadows
The Brightness Of Shadows
Nikki Nye
PG-13
Private Property
Private Property
Seth Kenlon
PG-13
A Stronger Wind
A Stronger Wind
Mark Leyland
PG-13
The Giant Rumble
The Giant Rumble
Jim Eldridge
PG-13
The Risen
The Risen
Chris DiGiuseppi; Mike Force
PG-13
Opal Moonbaby and the Out of this World Adventure
Opal Moonbaby and the Out of this World Adventure
Maudie Smith
PG-13
The Craghold Creatures
The Craghold Creatures
Edwina Noone
PG-13
The Tribulations of Tompa Lee
The Tribulations of Tompa Lee
Edward Hoornaert
PG-13
Released
Released
Sarah Noffke
PG-13