Adult 18+ sci-fi books

30997 books

Alien Collective
Alien Collective
Gini Koch
PG-13
The Fulfilments of Fate and Desire
The Fulfilments of Fate and Desire
Storm Constantine
R
The Confusion
The Confusion
Neal Stephenson
PG-13
Pilgrims at the White Horizon
Pilgrims at the White Horizon
Michael Wyndham Thomas
PG-13
Bishop's Song
Bishop's Song
Joe Nobody
PG-13
Horse of a Different Killer
Horse of a Different Killer
Laura Morrigan
PG-13
Revolution
Revolution
Gail R. Delaney
PG-13
Deadhouse Gates
Deadhouse Gates
Steven Erikson
R
No Mercy
No Mercy
Sherrilyn Kenyon
R
Maui: The Demigod
Maui: The Demigod
Steven Goldsberry
R
Exordium of Tears
Exordium of Tears
Andrew P. Weston
PG-13
The Championship Cheats
The Championship Cheats
Chris Hoy
PG-13
The Blood She Betrayed
The Blood She Betrayed
Cheryse Durrant
PG-13
Rough Trails and Shallow Graves
Rough Trails and Shallow Graves
Clark Hays; Kathleen McFall
PG-13
Kitten
Kitten
G. Arthur Brown
PG-13
Bound
Bound
Elisabeth Naughton
PG-13
The Shadow of Everything Existing
The Shadow of Everything Existing
Ken Altabef
PG-13
The Dragon Reborn
The Dragon Reborn
Robert Jordan
PG-13
Poisoned Earth
Poisoned Earth
Timothy W. Long
PG-13
The Buccaneers' Code
The Buccaneers' Code
Caroline Carlson
PG-13
The Golden Pine Cone
The Golden Pine Cone
Catherine Anthony Clark
PG-13
Honor Among Enemies
Honor Among Enemies
David Weber
PG-13
Resurrection: The Rise of Letje
Resurrection: The Rise of Letje
Al K. Line
PG-13
Trust Territory
Trust Territory
Janet Morris; Chris Morris
R
Helsreach
Helsreach
Aaron Dembski-Bowden
R
The Mirror of Merlin
The Mirror of Merlin
T. A. Barron
PG
In the Mouth of the Wolf
In the Mouth of the Wolf
Nicole Maggi
PG-13
Dead Shift
Dead Shift
Richard Phillips
PG-13
Broken Meats
Broken Meats
David Hambling
PG-13
Mind Games
Mind Games
Jana Oliver
PG-13