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 Pumpkins of Time
The Pumpkins of Time
Mel Gilden
PG
The Secret of the Hidden Scrolls
The Secret of the Hidden Scrolls
M. J. Thomas
PG
How to Lose an Extraterrestrial in 10 Days
How to Lose an Extraterrestrial in 10 Days
Susan Grant
PG
The Star Cloak
The Star Cloak
Emily Rodda
PG
Searcher
Searcher
William H. Keith, Jr.; Bruce Boxleitner
PG
L. P. M.: The End of the Great War
L. P. M.: The End of the Great War
J. Stewart Barney
PG
Liberating Atlantis
Liberating Atlantis
Harry Turtledove
PG
Marcus Mustard
Marcus Mustard
Herbie Brennan
PG
Able One
Able One
Ben Bova
PG
The Eternal Frontiers
The Eternal Frontiers
James H. Schmitz
PG
The Herald
The Herald
Michael Shaara
PG
Slightly Murder
Slightly Murder
Patrick A. Kelley
PG
Time Travel Inn (Choose Your Own Adventure New Classics)
Time Travel Inn (Choose Your Own Adventure New Classics)
Bart King
PG
The Richest Corpse in Show Business
The Richest Corpse in Show Business
Dan Morgan
PG
Jaguar and the Golden Stag
Jaguar and the Golden Stag
Dexter Allen
PG
The Great Smelling Bee
The Great Smelling Bee
R. L. Stine
PG
Genesis Five
Genesis Five
Henry Wilson Allen
PG
The Funhouse
The Funhouse
Benjamin Appel
PG
Shake, Rattle, and Hurl!
Shake, Rattle, and Hurl!
R. L. Stine
PG
Battles of the Clans
Battles of the Clans
Tui T. Sutherland
PG
An Earth Gone Mad
An Earth Gone Mad
Roger Dee
PG
Uplink from the Underground
Uplink from the Underground
Tim LaHaye; Jerry B. Jenkins; Chris Fabry
PG
Trojan Orbit
Trojan Orbit
Mack Reynolds; Dean Ing
PG
Seeker
Seeker
Cate Tiernan
PG
2061: Odyssey Three
2061: Odyssey Three
Arthur C. Clarke
PG
The Stars Are Ours!
The Stars Are Ours!
Andre Norton
PG
Supergifted
Supergifted
Gordon Korman
PG
Warrior of the Dawn
Warrior of the Dawn
Howard Browne
PG
Michael Vey 3
Michael Vey 3
Richard Paul Evans
PG
The Caribbean
The Caribbean
Tui T. Sutherland
PG