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 Hidden Kingdom
The Hidden Kingdom
Tui T. Sutherland
PG
The End Bringers
The End Bringers
Douglas R. Mason
PG
Alien Perspective
Alien Perspective
David Houston
PG
The Wanderer's Necklace
The Wanderer's Necklace
H. Rider Haggard
PG
Dian of the Lost Land
Dian of the Lost Land
Edison Marshall
PG
Race to the South Pole (Ranger in Time #4) (4)
Race to the South Pole (Ranger in Time #4) (4)
Kate Messner
PG
The Valley of Eyes Unseen
The Valley of Eyes Unseen
Gilbert Collins
PG
Greed & Stuff
Greed & Stuff
Jay Russell
PG
The Monastery
The Monastery
Sir Walter Scott
PG
Interlopers
Interlopers
Alan Dean Foster
PG
Mesmer
Mesmer
Tim Lebbon
PG
Murder at the ABA
Murder at the ABA
Isaac Asimov
PG
Deep, Very Deep Space
Deep, Very Deep Space
Joseph Nathenson
PG
Thursday's Child
Thursday's Child
Sonya Hartnett
PG
Shadows on the Wall
Shadows on the Wall
Phyllis Reynolds Naylor
PG
Thin Air
Thin Air
Storm Constantine
PG
Mnemosyne's Kiss
Mnemosyne's Kiss
Peter J. Evans
PG
The Approaching Storm
The Approaching Storm
Alan Dean Foster
PG
Distant Drums
Distant Drums
D. L. Carey
PG
Summer of the Unicorn
Summer of the Unicorn
Kay Hooper
PG
Tai-Pan
Tai-Pan
James Clavell
PG
A Trip to Mars
A Trip to Mars
Frank Aubrey
PG
A Darkness Inbred
A Darkness Inbred
Victor Heck
PG
Mirrikh; or, A Woman from Mars: A Tale of Occult Adventure
Mirrikh; or, A Woman from Mars: A Tale of Occult Adventure
Francis Worcester Doughty
PG
Mission to Mars
Mission to Mars
Patrick Moore
PG
My Soul to Keep
My Soul to Keep
Elizabeth Davis
PG
The Edge of Running Water
The Edge of Running Water
William Sloane
PG
These Savage Futurians
These Savage Futurians
Philip E. High
PG
Land of the Giants
Land of the Giants
Murray Leinster
PG
Men Into Space
Men Into Space
Murray Leinster
PG