PG-13 rated sci-fi books

24434 books

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

Gingerbread Economy
Gingerbread Economy
Lee McGeorge
PG-13
Into the Deep
Into the Deep
Cindy R. Wilson
PG-13
Invasion of the Onion Heads
Invasion of the Onion Heads
James McTague
PG-13
Boofalo: A Funny Book
Boofalo: A Funny Book
Richard S. Greene
PG-13
Jernigan's Egg
Jernigan's Egg
Richard Mueller
PG-13
Voice of the Eagle
Voice of the Eagle
Linda Lay Shuler
PG-13
Darkmouth
Darkmouth
Shane Hegarty
PG-13
Hard Drive
Hard Drive
Graham Marks
PG-13
Cat-astrophe
Cat-astrophe
J. Carlysle Ramsey
PG-13
The Secrets of Time
The Secrets of Time
Gary Sturm
PG-13
Armagiddeon: Genesis
Armagiddeon: Genesis
J. Carlysle Ramsey
PG-13
Masters of Evolution
Masters of Evolution
Damon Knight
PG-13
The Book of Titus
The Book of Titus
Justin Hunter
PG-13
Darkness
Darkness
Paul Dale Anderson
PG-13
Time Step
Time Step
Brent Monahan
PG-13
Beginning a Beginning
Beginning a Beginning
Danny Birt
PG-13
The Shaman's Secret
The Shaman's Secret
Karen Hughes
PG-13
Feast of the Saints
Feast of the Saints
Kim Antieau
PG-13
Whispers in the Cries
Whispers in the Cries
Matthew Ewald
PG-13
The Chance of a Lifetime
The Chance of a Lifetime
Mark Finn
PG-13
The Age of Asteroids
The Age of Asteroids
Elijah I. Toten
PG-13
Beyond the Rainbow Flash
Beyond the Rainbow Flash
Andrew Connan
PG-13
After Birth
After Birth
J. E. Sayles
PG-13
Echo Location
Echo Location
Frances Pauli
PG-13
The Form of Eternity
The Form of Eternity
Shiloh Darke
PG-13
The Weeping Woman
The Weeping Woman
Patricia Santos Marcantonio
PG-13
The Hunger Star
The Hunger Star
Chris Atack
PG-13
Wings of the Overlord
Wings of the Overlord
Morton Faulkner
PG-13
Rusted Heroes
Rusted Heroes
Andrew Post
PG-13
New Pacific
New Pacific
G. Miki Hayden
PG-13