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.

Swarm
Swarm
Lauren Carter
PG-13
The Quarry
The Quarry
Iain M. Banks
PG-13
Hellhole: Inferno
Hellhole: Inferno
Kevin J. Anderson; Brian Herbert
PG-13
The Secret of Shambhala: In Search of the Eleventh Insight
The Secret of Shambhala: In Search of the Eleventh Insight
James Redfield
PG-13
1636: The Devil's Opera
1636: The Devil's Opera
Eric Flint; David Carrico
PG-13
Attack of the Shadow Smashers
Attack of the Shadow Smashers
Troy Cummings
PG-13
The Case of the Wayward Professor
The Case of the Wayward Professor
Gareth P. Jones
PG-13
Siren's Secret
Siren's Secret
Debbie Herbert
PG-13
Alien Hunter
Alien Hunter
Whitley Strieber
PG-13
Backwards
Backwards
Todd Mitchell
PG-13
Spheres of Influence
Spheres of Influence
Ryk E. Spoor
PG-13
Knuckleduster
Knuckleduster
Andrew Post
PG-13
Dawn of the Aspects
Dawn of the Aspects
Richard A. Knaak
PG-13
Resistance
Resistance
Samit Basu
PG-13
The Ninth Day
The Ninth Day
Ruth Tenzer Feldman
PG-13
The Heir
The Heir
Lynne Stringer
PG-13
Cat in an Alien X-Ray
Cat in an Alien X-Ray
Carole Nelson Douglas
PG-13
Wayward
Wayward
Blake Crouch
PG-13
Ruby
Ruby
A. K. Reiber
PG-13
The Man in the Window
The Man in the Window
C. Dennis Moore
PG-13
Age of Druids
Age of Druids
India Drummond
PG-13
Body & Soul
Body & Soul
Jordan Castillo Price
PG-13
All These Things I've Done
All These Things I've Done
Gabrielle Zevin
PG-13
In the Age of Love and Chocolate
In the Age of Love and Chocolate
Gabrielle Zevin
PG-13
The Secret Knowledge
The Secret Knowledge
Andrew Crumey
PG-13
The Kiss
The Kiss
Joann H. Buchanan
PG-13
Rise of the Triad
Rise of the Triad
Harry Shannon; Steven W. Booth
PG-13
More Than This
More Than This
Patrick Ness
PG-13
The Secret of the Nagas
The Secret of the Nagas
Amish
PG-13
Edge of Darkness
Edge of Darkness
J. T. Geissinger
PG-13