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 Illustrated Hitchhiker's Guide to the Galaxy
The Illustrated Hitchhiker's Guide to the Galaxy
Douglas Adams
PG
Ptath
Ptath
A. E. van Vogt
PG
The Haunted Starship
The Haunted Starship
Brad Ferguson; Kathi Ferguson
PG
Vaporetto 13
Vaporetto 13
Robert Girardi
PG
Daphne's Book
Daphne's Book
Mary Downing Hahn
PG
Fangtastic!
Fangtastic!
Sienna Mercer
PG
One Day on Mars
One Day on Mars
Travis S. Taylor
PG
Twilight
Twilight
Cherith Baldry
PG
Things to Come
Things to Come
H. G. Wells
PG
Another One Bites the Dust
Another One Bites the Dust
Jennifer Rardin
PG
The Snowman
The Snowman
R. L. Stine
PG
Hear the Wind Blow
Hear the Wind Blow
Mary Downing Hahn
PG
Rolling Thunder
Rolling Thunder
John Varley
PG
Goliath
Goliath
Steve Alten
PG
Hell Week
Hell Week
Rosemary Clement-Moore
PG
Zombie School
Zombie School
R. L. Stine
PG
Starfinder
Starfinder
John Marco
PG
Pendragon: Before the War: Book 1 of the Travelers
Pendragon: Before the War: Book 1 of the Travelers
Carla Jablonski
PG
Twelve
Twelve
Jasper Kent
PG
Islands of Space
Islands of Space
John W. Campbell, Jr.
PG
Galileo's Dream
Galileo's Dream
Kim Stanley Robinson
PG
Drought
Drought
Graham Masterton
PG
Moon Awakening
Moon Awakening
Lucy Monroe
PG
Shades of Dark
Shades of Dark
Linnea Sinclair
PG
The Darkest Evening of the Year
The Darkest Evening of the Year
Dean R. Koontz
PG
Dead Girls Are Easy
Dead Girls Are Easy
Terri Garey
PG
The Planet of Oblivion
The Planet of Oblivion
Justin Richards
PG
Galactic Corps
Galactic Corps
William H. Keith, Jr.
PG
Europa Strike
Europa Strike
William H. Keith, Jr.
PG
Palimpsest
Palimpsest
Catherynne M. Valente
PG