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.

Ultimate Revelations
Ultimate Revelations
Jamshed Akhtar
PG-13
A Dangerous Day in Georgia
A Dangerous Day in Georgia
Cheri Pray Earl; Carol Lynch Williams
PG-13
Bones of the Empire
Bones of the Empire
Jim Galford
PG-13
An Inextricable Tale
An Inextricable Tale
Paul Allgood
PG-13
Sun Touched
Sun Touched
J. C. Hart
PG-13
Cat's Cradle
Cat's Cradle
Nick Green
PG-13
The Warrior of Bast
The Warrior of Bast
Janet Lane Walters
PG-13
Shadows Collide
Shadows Collide
Dan Levinson
PG-13
G-3
G-3
Maggie Toussaint
PG-13
Shattered Dreams
Shattered Dreams
Jo Schneider
PG-13
Allegiance
Allegiance
Timothy Zahn
PG-13
The Nemesis Equation
The Nemesis Equation
Kenneth Tam
PG-13
The Alchemaster's Apprentice
The Alchemaster's Apprentice
Optimus Yarnspinner
PG-13
Changing Planets
Changing Planets
Nikki Hohl
PG-13
Bedina's War
Bedina's War
Evelyn Rainey
PG-13
Sired by Stone
Sired by Stone
Andrew Post
PG-13
Guardian Angels: The Setting Moon
Guardian Angels: The Setting Moon
Jessica Wagenfuehr
PG-13
Shrinking Forward
Shrinking Forward
Nathalie M. Leblanc
PG-13
Tiger Girl
Tiger Girl
Gordon Casserly
PG-13
Siren Song On Dark Shores
Siren Song On Dark Shores
Erin Munday
PG-13
Our Dying Land
Our Dying Land
Edward J. McFadden, III
PG-13
The American Way
The American Way
C. Dennis Moore
PG-13
Deviance of Time
Deviance of Time
Dan O'Brien
PG-13
Aurum: The Golden Planet
Aurum: The Golden Planet
Sharon Joss
PG-13
Abandoned
Abandoned
Paul Dale Anderson
PG-13
Big Daddy's Fast-Past Gadget
Big Daddy's Fast-Past Gadget
C. S. Fuqua
PG-13
Edge of Extinction
Edge of Extinction
Laura Martin
PG-13
The Conveyance
The Conveyance
Brian W. Matthews
PG-13
Beware the Hunter
Beware the Hunter
Michael Anderle; Martha Carr
PG-13
Night Shall Overtake
Night Shall Overtake
Michael R. Collins
PG-13