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.

Lords of Space
Lords of Space
Michael Wallace
PG-13
Guardian's Secret
Guardian's Secret
Amy Raby
PG-13
Jacob
Jacob
David Gerrold
PG-13
Blood and Salt
Blood and Salt
Kim Liggett
PG-13
Space Wrangler
Space Wrangler
Kate Donovan
PG-13
The Seeds of Time
The Seeds of Time
Kay Kenyon
PG-13
Lockdown
Lockdown
Peter Jay Black
PG-13
Crown Duel
Crown Duel
Sherwood Smith
PG-13
The Runaway Robot
The Runaway Robot
Lester del Rey
PG-13
Crossed
Crossed
Eliza Crewe
PG-13
The Wake
The Wake
Paul Kingsnorth
PG-13
My Dear, It's Heaven
My Dear, It's Heaven
Rowland Winn
PG-13
Qualify
Qualify
Vera Nazarian
PG-13
Shadow Island
Shadow Island
Raymond Bial
PG-13
Worth the Risk
Worth the Risk
Savannah Stuart
PG-13
Earth: Population 2
Earth: Population 2
Aubrie Dionne
PG-13
Let It Snow
Let It Snow
Erica Ridley
PG-13
Power Unleashed
Power Unleashed
Savannah Stuart
PG-13
The Bane of Yoto
The Bane of Yoto
Nicholas Karpuk; Joshua Viola
PG-13
Valentina
Valentina
Kevin McDermott
PG-13
Three Great Lies
Three Great Lies
Vanessa MacLellan
PG-13
Tempted by Fire
Tempted by Fire
Erin Kellison
PG-13
The Thornless Rose
The Thornless Rose
Morgan O'Neill
PG-13
Through The Hills
Through The Hills
Jan Musil
PG-13
After the Fall
After the Fall
Morgan O'Neill
PG-13
Ice
Ice
Anna Kavan
PG-13
Welcome to Sarnia
Welcome to Sarnia
Jan Musil
PG-13
The Northern Approach
The Northern Approach
Jim Galford
PG-13
Lincoln's Bodyguard
Lincoln's Bodyguard
TJ Turner
PG-13
Salvation
Salvation
James Wymore
PG-13