PG-13 rated sci-fi books

24646 books

Sci-fi books with moderate content. May include moderate violence, mild romance, and some darker themes. Best for teens and up.

The Untold Tale
The Untold Tale
J. M. Frey
PG-13
Hiccups in Time
Hiccups in Time
Duncan Long
PG-13
Lesser Gods
Lesser Gods
Duncan Long
PG-13
Bleeding Heart
Bleeding Heart
Melissa Graves
PG-13
Tainted Heart
Tainted Heart
Melissa Graves
PG-13
Echoes of the Fall
Echoes of the Fall
Brandon Ellis;Douglas E Richards
PG-13
From Where I Watch You
From Where I Watch You
Shannon Grogan
PG-13
Steel Guardian: A Post-Apocalyptic Robot Science Fiction Novel (Rusted Wasteland Book 1)
Steel Guardian: A Post-Apocalyptic Robot Science Fiction Novel (Rusted Wasteland Book 1)
Cameron Coral
PG-13
A Stranger Dead
A Stranger Dead
A. P. Fuchs
PG-13
Mech Apocalypse
Mech Apocalypse
A. P. Fuchs
PG-13
The Light of Noon
The Light of Noon
J. B. Thomas (US)
PG-13
Wolf Man Stu Bites Back
Wolf Man Stu Bites Back
Paul Martin
PG-13
A Charm for Draius
A Charm for Draius
Laura E. Reeve
PG-13
Night of the ZomBEEs
Night of the ZomBEEs
Kevin Anderson
PG-13
Steam Dogs
Steam Dogs
Sharon Joss
PG-13
Kahless
Kahless
Michael Jan Friedman
PG-13
Shifter Planet
Shifter Planet
D. B. Reynolds
PG-13
Jane Unwrapped
Jane Unwrapped
Leah Rooper; Kate Rooper
PG-13
The Manuscript
The Manuscript
Michael Stephen Fuchs
PG-13
Evil Within
Evil Within
David Downing
PG-13
Lakyier
Lakyier
David Downing
PG-13
Shadow Heart
Shadow Heart
Bill D. Allen
PG-13
Persephone
Persephone
H. P. Mallory
PG-13
Amnesiascope
Amnesiascope
Steve Erickson
PG-13
Going Under
Going Under
Emma Weylin
PG-13
Conspiracy of Angels
Conspiracy of Angels
Laurence MacNaughton
PG-13
Intellivore
Intellivore
Diane Duane
PG-13
Scent of Salvation
Scent of Salvation
Annie Nicholas
PG-13
The Last Days of Atlantis
The Last Days of Atlantis
Charles Lomon; P.-B. Gheusi
PG-13
Scent of Valor
Scent of Valor
Annie Nicholas
PG-13