Adult 18+ sci-fi books

31370 books

Memory
Memory
Lois McMaster Bujold
PG-13
The Deepest Sea
The Deepest Sea
Charles Barnitz
PG-13
Keep Calm and Sparkle On!
Keep Calm and Sparkle On!
Sarah Aronson
R
The Long and Winding Road
The Long and Winding Road
Jeffrey J. Hoy
PG
Surviving Serendipity
Surviving Serendipity
Jacquelyn Sylvan
PG
Krakens and Lies
Krakens and Lies
Tui T. Sutherland; Kari Sutherland
PG-13
The Defiance
The Defiance
Laura Gallier
PG-13
Blind Wolf Bluff
Blind Wolf Bluff
Annie Nicholas
PG-13
Mr. Pudgins
Mr. Pudgins
Ruth Christoffer Carlsen
PG-13
Cataclysm
Cataclysm
Michael Stephen Fuchs
PG-13
Sabaska's Tale
Sabaska's Tale
J. A. Campbell
PG-13
Kings Rising
Kings Rising
C. S. Pacat
PG-13
No Trick-or-Treating!
No Trick-or-Treating!
Ellie O'Ryan
PG-13
Where the Time Goes
Where the Time Goes
Jeffrey E. Barlough
PG-13
A Creature of the Twilight: His Memorials.
A Creature of the Twilight: His Memorials.
Russell Kirk
PG-13
Undercover Trouble
Undercover Trouble
Autumn Piper
PG-13
On Stormy Seas
On Stormy Seas
Eric Thomson
R
Mind-Call
Mind-Call
Wilanne Schneider Belden
PG-13
Night Unbound
Night Unbound
Dianne Duvall
PG-13
Demons Forever
Demons Forever
Sarra Cannon
PG-13
Missing in Mudbug
Missing in Mudbug
Jana Deleon
PG-13
The Treasure of the Sea
The Treasure of the Sea
Thea Stilton
PG-13
The Martian
The Martian
Andy Weir
PG-13
Mark of the Plague
Mark of the Plague
Kevin Sands
PG-13
The Daleks
The Daleks
Terry Nation
PG-13
Skirmish
Skirmish
Michelle West
PG-13
Nomad
Nomad
R. J. Anderson
PG-13
The Word Unleashed
The Word Unleashed
Steve Rzasa
PG-13
Trail of Tears
Trail of Tears
Derek Gunn
PG-13
Lies Ripped Open
Lies Ripped Open
Steve McHugh
PG-13