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.

Atlantis Endgame
Atlantis Endgame
Sherwood Smith; Andre Norton
PG
The Wrath of Khan
The Wrath of Khan
Vonda N. McIntyre
PG
Black Trillium
Black Trillium
Andre Norton; Julian May; Marion Zimmer Bradley
PG
Time: The Semi-Final Frontier
Time: The Semi-Final Frontier
Charles L. Grant
PG
The Lost Expedition
The Lost Expedition
Rowland Walker
PG
A Tale of the House of the Wolfings and All the Kindreds of the Mark
A Tale of the House of the Wolfings and All the Kindreds of the Mark
William Morris
PG
A Planet Called Pavanne
A Planet Called Pavanne
Lan Wright
PG
The Little Men
The Little Men
Joseph E. Kelleam
PG
First to the Stars
First to the Stars
Rex Gordon
PG
Behold the Stars
Behold the Stars
Kenneth Bulmer
PG
Whetted Bronze
Whetted Bronze
Kenneth Bulmer
PG
Skinny Annie Blues
Skinny Annie Blues
Neal Barrett, Jr.
PG
Recruit for Andromeda
Recruit for Andromeda
Milton Lesser
PG
All the Colors of Darkness
All the Colors of Darkness
Lloyd Biggle, Jr.
PG
The Mars Arena
The Mars Arena
James Axler
PG
Kindling
Kindling
Mick Farren
PG
The Flesh, the Blood and the Fire
The Flesh, the Blood and the Fire
S. Andrew Swann
PG
The Fittest
The Fittest
J. T. McIntosh
PG
OX
OX
Piers Anthony
PG
The Vampire Hunters Stalked
The Vampire Hunters Stalked
William Hill
PG
For Texas and Zed
For Texas and Zed
Zach Hughes
PG
Shadow Man
Shadow Man
Melissa Scott
PG
The Exile of Time
The Exile of Time
Ray Cummings
PG
The Day the Oceans Overflowed
The Day the Oceans Overflowed
Charles L. Fontenay
PG
Tom Swift and His Rocket Ship
Tom Swift and His Rocket Ship
Victor Appleton, II
PG
Phylogenesis
Phylogenesis
Alan Dean Foster
PG
Command the Morning
Command the Morning
Pearl S. Buck
PG
The Moon People
The Moon People
Stanton A. Coblentz
PG
Beyond Rejection
Beyond Rejection
Justin Leiber
PG
Liar, Liar
Liar, Liar
R. L. Stine
PG