Adult 18+ sci-fi books

31370 books

Fall of Heroes
Fall of Heroes
Jeramey Kraatz
PG-13
The Antithesis: Book Two Alpha
The Antithesis: Book Two Alpha
Terra Whiteman
PG-13
Kindar's Cure
Kindar's Cure
Michelle Hauck
PG-13
Control
Control
Manna Francis
PG-13
Athera's Dawn
Athera's Dawn
Christopher Hopper
PG-13
The Soul Continuum
The Soul Continuum
Simon West-Bulford
PG-13
The Poison Priestess
The Poison Priestess
Karen Azinger
PG-13
Desperate Housewives of Olympus: Ares
Desperate Housewives of Olympus: Ares
Saranna DeWylde
PG-13
Wanderer
Wanderer
Dennis Schmidt
PG-13
Paige the Pony
Paige the Pony
Lily Small
PG-13
Prison of Hope
Prison of Hope
Steve McHugh
PG-13
Power Tools in the Sacred Grove
Power Tools in the Sacred Grove
Josef Matulich
PG-13
Lake Roosevelt
Lake Roosevelt
Dean Wesley Smith
PG-13
Milayna's Angel
Milayna's Angel
Michelle K. Pickett
PG-13
The Twisted Future
The Twisted Future
Darrell Pitt
PG-13
The Charm Hunter
The Charm Hunter
K. Trap Jones
PG-13
Rival Demons
Rival Demons
Sarra Cannon
PG-13
your name.
your name.
Makoto Shinkai
PG-13
A. I. Assault
A. I. Assault
Vaughn Heppner
R
Echo's Revenge
Echo's Revenge
Linda Kay Silva
PG-13
A Sojourn in Bohemia
A Sojourn in Bohemia
G. D. Falksen
PG-13
The Elders
The Elders
Inbali Iserles
PG-13
A Closed and Common Orbit
A Closed and Common Orbit
Becky Chambers
PG
Star Wolf
Star Wolf
Kathryn Lasky
PG-13
Winnie Spells Trouble!
Winnie Spells Trouble!
Laura Owen
PG-13
The Endless Lake
The Endless Lake
Erin Hunter
PG-13
Second Front
Second Front
John Schettler
PG-13
The Lore of the Evermen
The Lore of the Evermen
James Maxwell
PG-13
A Time of Fear
A Time of Fear
Russell F. Moran
PG-13
Red Rain
Red Rain
Marie Hall
PG-13