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.

Firewing
Firewing
Kenneth Oppel
PG
Rise and Fall
Rise and Fall
Eliot Schrefer
PG
Tooth and Claw
Tooth and Claw
Jo Walton
PG
From the Dust Returned
From the Dust Returned
Ray Bradbury
PG
Between Planets
Between Planets
Robert A. Heinlein
PG
The Iron Ring
The Iron Ring
Lloyd Alexander
PG
Virtual Mode
Virtual Mode
Piers Anthony
PG
The Annals of the Heechee
The Annals of the Heechee
Frederik Pohl
PG
The Angel's Command
The Angel's Command
Brian Jacques
PG
The People of the Mist
The People of the Mist
H. Rider Haggard
PG
Lives of the Monster Dogs
Lives of the Monster Dogs
Kirsten Bakis
PG
Myth-ion Improbable
Myth-ion Improbable
Robert Asprin
PG
Origin
Origin
Stephen Baxter
PG
Watcher of the Dead
Watcher of the Dead
J. V. Jones
PG
The Neon Graveyard
The Neon Graveyard
Vicki Pettersson
PG
Alien in the Family
Alien in the Family
Gini Koch
PG
The Midwich Cuckoos
The Midwich Cuckoos
John Wyndham
PG
Isle of Woman
Isle of Woman
Piers Anthony
PG
The Remarkable Journey of Prince Jen
The Remarkable Journey of Prince Jen
Lloyd Alexander
PG
Masks of the Illuminati
Masks of the Illuminati
Robert Anton Wilson
PG
Winter in Eden
Winter in Eden
Harry Harrison
PG
The Diamond in the Window
The Diamond in the Window
Jane Langton
PG
Star Born
Star Born
Andre Norton
PG
Return to Eden
Return to Eden
Harry Harrison
PG
The Crystal Gryphon
The Crystal Gryphon
Andre Norton
PG
The Ring
The Ring
Deborah Chester
PG
When It's A Jar
When It's A Jar
Tom Holt
PG
The Circus of Dr. Lao
The Circus of Dr. Lao
Charles G. Finney
PG
A Distant Tomorrow
A Distant Tomorrow
Bertrice Small
PG
DoOon Mode
DoOon Mode
Piers Anthony
PG