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.

City Without End
City Without End
Kay Kenyon
PG
Acts of Conscience
Acts of Conscience
William Barton
PG
A Visit to Mars
A Visit to Mars
Garrett V. Albertson
PG
Wind Caller's Children
Wind Caller's Children
Amanda Cockrell
PG
The Ooze
The Ooze
R. L. Stine; Stephen Roos
PG
Anno Mortis
Anno Mortis
Rebecca Levene
PG
Blown Dead
Blown Dead
Ben Sloane
PG
Tom Swift and His Airship
Tom Swift and His Airship
Howard R. Garis
PG
Tom Swift in the City of Gold
Tom Swift in the City of Gold
Howard R. Garis
PG
The Priest: A Gothic Romance
The Priest: A Gothic Romance
Thomas M. Disch
PG
The Status Civilization
The Status Civilization
Robert Sheckley
PG
Options
Options
Robert Sheckley
PG
A Sporting Chance
A Sporting Chance
Andy Lane
PG
Tom Swift in the Caves of Ice
Tom Swift in the Caves of Ice
Howard R. Garis
PG
Tom Swift and His Air Glider
Tom Swift and His Air Glider
Howard R. Garis
PG
The Sherwood Game
The Sherwood Game
Esther M. Friesner
PG
The Master
The Master
Louise Cooper
PG
No Gods of Conscience
No Gods of Conscience
Jason J. Bilicic
PG
The Stolen Sun
The Stolen Sun
Emil Petaja
PG
Seed of the Dreamers
Seed of the Dreamers
Emil Petaja
PG
Dwellers in the Mirage
Dwellers in the Mirage
A. Merritt
PG
The Path Beyond the Stars
The Path Beyond the Stars
Emil Petaja
PG
The Omicron Invasion
The Omicron Invasion
Edward E. Smith; Stephen Goldin
PG
Silent Songs
Silent Songs
A. C. Crispin; Kathleen O'Malley
PG
The Alien Who Came to Dinner
The Alien Who Came to Dinner
Bruce Coville
PG
Three to Conquer
Three to Conquer
Eric Frank Russell
PG
Batman: The Dark Knight Returns
Batman: The Dark Knight Returns
Frank Miller; Klaus Janson; Lynn Varley
PG
A Wind in the Door
A Wind in the Door
Madeleine L'Engle
PG
Henry Hobbs, Alien
Henry Hobbs, Alien
Kathryn Cave
PG
Memories of a Moon Map: The Extraordinary Adventures of an English Setter Pack
Memories of a Moon Map: The Extraordinary Adventures of an English Setter Pack
Nina Green
PG