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 Star Dwellers
The Star Dwellers
James Blish
PG
The Light That Never Was
The Light That Never Was
Lloyd Biggle, Jr.
PG
Lazarus #7
Lazarus #7
Richard Sale
PG
The Last Secret
The Last Secret
Dana Chambers
PG
The Mucker
The Mucker
Edgar Rice Burroughs
PG
An Unknown Land
An Unknown Land
Viscount Samuel
PG
Telempath
Telempath
Spider Robinson
PG
Install Memory, Run
Install Memory, Run
Jon Kiln
PG
Lunar Justice
Lunar Justice
Charles L. Harness
PG
Ashes and Stars
Ashes and Stars
George Zebrowski
PG
The Master-Christian
The Master-Christian
Marie Corelli
PG
Big Bad Wool (A Sheep Detective Story)
Big Bad Wool (A Sheep Detective Story)
Leonie Swann
PG
The Doomfarers of Coramonde
The Doomfarers of Coramonde
Brian Daley
PG
Star Wars: From the Adventures of Luke Skywalker
Star Wars: From the Adventures of Luke Skywalker
George Lucas
PG
The Bandit of Hell's Bend
The Bandit of Hell's Bend
Edgar Rice Burroughs
PG
Tom Swift and His Air Scout
Tom Swift and His Air Scout
Victor Appleton
PG
Tom Swift and His Megascope Space Prober
Tom Swift and His Megascope Space Prober
Victor Appleton, II
PG
Sos the Rope
Sos the Rope
Piers Anthony
PG
Murder on Mars
Murder on Mars
Hugh Walters
PG
A Circus of Hells
A Circus of Hells
Poul Anderson
PG
The Jupiter Legacy
The Jupiter Legacy
Harry Harrison
PG
Omnivore
Omnivore
Piers Anthony
PG
Crucible
Crucible
Robert R. Chase
PG
Slow Time Between the Stars (The Far Reaches collection)
Slow Time Between the Stars (The Far Reaches collection)
John Scalzi
PG
The Humans: A Novel
The Humans: A Novel
Matt Haig
PG
Malsum
Malsum
Gerald John O'Hara
PG
War of the Robots
War of the Robots
Trevor Baxendale
PG
And Another Thing...
And Another Thing...
Eoin Colfer
PG
The Devil Wives of Li Fong
The Devil Wives of Li Fong
E. Hoffmann Price
PG
Code Duello
Code Duello
Mack Reynolds
PG