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.

Ten Days to Oblivion
Ten Days to Oblivion
Michael Cooney
PG
Ziska
Ziska
Marie Corelli
PG
The Forgotten Planet
The Forgotten Planet
George Henry Smith
PG
The Angry Planet
The Angry Planet
John Keir Cross
PG
The Owl and the Pussycat
The Owl and the Pussycat
John Keir Cross
PG
The Sea Girl
The Sea Girl
Ray Cummings
PG
Shipwrecked in the Air
Shipwrecked in the Air
Jules Verne
PG
Tom Swift and His Cosmotron Express
Tom Swift and His Cosmotron Express
Victor Appleton, II
PG
The Life of Insects
The Life of Insects
Victor Pelevin
PG
Time Storm
Time Storm
Gordon R. Dickson
PG
The Hunting Season
The Hunting Season
Dean Vincent Carter
PG
A Journey to the Centre of the Earth
A Journey to the Centre of the Earth
Jules Verne
PG
Invasion of the Dinosaurs
Invasion of the Dinosaurs
Malcolm Hulke
PG
Miss Mehetabel's Son
Miss Mehetabel's Son
Thomas Bailey Aldrich
PG
Shadow World
Shadow World
Alan Philipson
PG
The Battle of London
The Battle of London
Hugh Addison
PG
Edison's Conquest of Mars
Edison's Conquest of Mars
Garrett P. Serviss
PG
Shuttle Down
Shuttle Down
Lee Correy
PG
The Storm Lord
The Storm Lord
M. K. Hume
PG
Beach House
Beach House
R. L. Stine
PG
Spacehawk, Inc.
Spacehawk, Inc.
Ron Goulart
PG
Doctor Who
Doctor Who
Gary Russell
PG
Star Beast
Star Beast
Robert A. Heinlein
PG
The Alien's Survival Manual: An Outsider's Guide to the Planet Earth
The Alien's Survival Manual: An Outsider's Guide to the Planet Earth
Serena Gray
PG
Murphy's Gambit
Murphy's Gambit
Syne Mitchell
PG
Alien Thunder
Alien Thunder
Gaail Freeman
PG
Terraforming Earth
Terraforming Earth
Jack Williamson
PG
Let's All Kill Constance
Let's All Kill Constance
Ray Bradbury
PG
A Journal of the Plague Year
A Journal of the Plague Year
Daniel Defoe
PG
Revelations of the Dead-Alive
Revelations of the Dead-Alive
John Banim
PG