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.

A Fallen Idol
A Fallen Idol
F. Anstey
PG
Warlord of Mars
Warlord of Mars
Edgar Rice Burroughs
PG
Perlman's Ordeal
Perlman's Ordeal
Brooks Hansen
PG
Karma
Karma
Arsen Darnay
PG
Alexander at the World's End
Alexander at the World's End
Tom Holt
PG
Monday Begins on Saturday
Monday Begins on Saturday
Boris Strugatski; Arkadi Strugatski
PG
Saying Uncle
Saying Uncle
Greg F. Gifune
PG
A Fighting Man of Mars
A Fighting Man of Mars
Edgar Rice Burroughs
PG
Dead Long Enough
Dead Long Enough
James Hawes
PG
Repeat Performance
Repeat Performance
William O'Farrell
PG
Fountain Society
Fountain Society
Wes Craven
PG
Mizora: A World of Women
Mizora: A World of Women
Mary E. Bradley Lane
PG
And Not Make Dreams Your Master
And Not Make Dreams Your Master
Stephen Goldin
PG
Double Contact
Double Contact
James White
PG
Reunion
Reunion
Jenny Carroll
PG
Outpost of Jupiter
Outpost of Jupiter
Lester del Rey
PG
Keeping Time
Keeping Time
David Bear
PG
Snow White and the Seven Samurai
Snow White and the Seven Samurai
Tom Holt
PG
Harvest the Fire
Harvest the Fire
Poul Anderson
PG
Seven Spells to Sunday
Seven Spells to Sunday
Andre Norton; Phyllis Miller
PG
The Gods of Mars
The Gods of Mars
Edgar Rice Burroughs
PG
Noah II
Noah II
Roger Dixon
PG
Blind Waves
Blind Waves
Steven Gould
PG
Follow the Drum
Follow the Drum
Andre Norton
PG
Gremlins Go Home
Gremlins Go Home
Ben Bova; Gordon R. Dickson
PG
The Flight to Lucifer: A Gnostic Fantasy
The Flight to Lucifer: A Gnostic Fantasy
Harold Bloom
PG
Dramocles: An Intergalactic Soap Opera
Dramocles: An Intergalactic Soap Opera
Robert Sheckley
PG
Okko the Sand Monster
Okko the Sand Monster
Tom Easton (UK)
PG
Outside the Universe
Outside the Universe
Edmond Hamilton
PG
Rocket to Luna
Rocket to Luna
Evan Hunter
PG