PG rated sci-fi books

3620 books

Sci-fi books with mild content — safe for most readers. May contain mild peril or fantasy violence but nothing graphic.

The Crown
The Crown
Kiera Cass
PG
Infinity Welcomes Careful Drivers
Infinity Welcomes Careful Drivers
Grant Naylor
PG
Maza of the Moon
Maza of the Moon
Otis Adelbert Kline
PG
Season of Shadows
Season of Shadows
Ellen Foxxe
PG
Vendetta
Vendetta
M. S. Murdock
PG
Titan's Daughter
Titan's Daughter
James Blish
PG
To the Tombaugh Station
To the Tombaugh Station
Wilson Tucker
PG
The Hunter Out of Time
The Hunter Out of Time
Gardner F. Fox
PG
Bitter Fruit
Bitter Fruit
Mel Odom
PG
Madness of Flowers
Madness of Flowers
Jay Lake
PG
The Rithian Terror
The Rithian Terror
Damon Knight
PG
Darkness and Dawn
Darkness and Dawn
George Allan England
PG
Behold Your King
Behold Your King
Naomi Mitchison
PG
Taylor's Ark
Taylor's Ark
Jody Lynn Nye
PG
The Naked Sun
The Naked Sun
Isaac Asimov
PG
The Journeyer
The Journeyer
Gary Jennings
PG
Valdar the Oft-Born
Valdar the Oft-Born
George Griffith
PG
The Thrice-Born
The Thrice-Born
Andrew Lester
PG
Ancient Blood
Ancient Blood
Diane Carey
PG
Dreamstalker
Dreamstalker
Sue Welford
PG
A Phule and His Money
A Phule and His Money
Robert Asprin; Peter J. Heck
PG
Evil Thirst
Evil Thirst
Christopher Pike
PG
The Town with No Mirrors
The Town with No Mirrors
Christina Collins
PG
Shadow of the Red Moon
Shadow of the Red Moon
Walter Dean Myers
PG
The Memory of Whiteness
The Memory of Whiteness
Kim Stanley Robinson
PG
Mars Attacks!
Mars Attacks!
Jonathan Gems
PG
American Fuji
American Fuji
Sara Backer
PG
Agent of Chaos
Agent of Chaos
Rutledge Etheridge
PG
The Snake-Stone
The Snake-Stone
Berlie Doherty
PG
The Sigma Project
The Sigma Project
Gene Snyder
PG