Adult 18+ sci-fi books

31370 books

The Almost Coup
The Almost Coup
Kenneth Tam
PG-13
Deception
Deception
D. B. Reynolds
PG-13
Rugby Spirit
Rugby Spirit
Gerard Siggins
PG-13
Evil Twins
Evil Twins
J. Scott Savage
PG-13
A Virtual Affair
A Virtual Affair
Zvi Zaks
PG-13
Under the Ember Star
Under the Ember Star
Charles Allen Gramlich
PG-13
The Last Emprex
The Last Emprex
EJ Altbacker
PG-13
Cinderskella
Cinderskella
Amie Borst; Bethanie Borst
PG-13
Big Bang
Big Bang
Simon Haynes
PG-13
Crescendo of Doom
Crescendo of Doom
John Schettler
PG-13
Taken in the Night
Taken in the Night
Tara Fox Hall
PG-13
Return to Dark Earth
Return to Dark Earth
Anna Hackett
PG-13
The Star Of Jolanest
The Star Of Jolanest
Ellen Dawn Benefield
PG-13
The Talon of Horus
The Talon of Horus
Aaron Dembski-Bowden
PG-13
Winterfall
Winterfall
John Conroe
PG-13
Curse of the Mummy's Uncle
Curse of the Mummy's Uncle
J. Scott Savage
PG-13
Silence the Bird, Silence the Keeper
Silence the Bird, Silence the Keeper
Christopher David Rosales
PG-13
Annihilation
Annihilation
K. A. Salidas
PG-13
Artifacts
Artifacts
Pete Catalano
PG-13
Nemesis Games
Nemesis Games
James S. A. Corey
PG-13
Annihilation
Annihilation
Katie Salidas
PG-13
Second Kiss
Second Kiss
Robert Priest
PG-13
Terian
Terian
JC Andrijeski
PG-13
The Aurora City
The Aurora City
E. R. Mason
PG-13
The Voodoo Case
The Voodoo Case
Terry Persun
PG-13
Craven House Horrors
Craven House Horrors
Hilary H. Milton
R
Annihilation Day
Annihilation Day
Alex Flynn
PG-13
The Flood
The Flood
Michael Stephen Fuchs
PG-13
Lightning Sealed
Lightning Sealed
Lila Felix
PG-13
The First Battle
The First Battle
Erin Hunter
R