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 Skies of Pern
The Skies of Pern
Anne McCaffrey
PG
Blue Adept
Blue Adept
Piers Anthony
PG
Time for the Stars
Time for the Stars
Robert A. Heinlein
PG
My Teacher Is an Alien
My Teacher Is an Alien
Bruce Coville
PG
Out of Phaze
Out of Phaze
Piers Anthony
PG
Tarnsman of Gor
Tarnsman of Gor
John Norman
PG
The Son of Tarzan
The Son of Tarzan
Edgar Rice Burroughs
PG
Phaze Doubt
Phaze Doubt
Piers Anthony
PG
West of Eden
West of Eden
Harry Harrison
PG
Fractal Mode
Fractal Mode
Piers Anthony
PG
Chaos Mode
Chaos Mode
Piers Anthony
PG
Into the Out of
Into the Out of
Alan Dean Foster
PG
The Ghosts
The Ghosts
Antonia Barber
PG
Victory on Janus
Victory on Janus
Andre Norton
PG
The Marvellous Land of Snergs
The Marvellous Land of Snergs
E. A. Wyke-Smith
PG
When the Wind Blows
When the Wind Blows
James Patterson
PG
Tarzan the Invincible
Tarzan the Invincible
Edgar Rice Burroughs
PG
Jack-in-the-Box Planet
Jack-in-the-Box Planet
Robert Hoskins
PG
Beyond the Lemon Tree Moon
Beyond the Lemon Tree Moon
Anthony Dean
PG
Remarkably Bright Creatures [Movie Tie-in]: A Novel
Remarkably Bright Creatures [Movie Tie-in]: A Novel
Shelby Van Pelt
PG
Wishing on a Star: Best Wishes
Wishing on a Star: Best Wishes
Jody Lynn Nye
PG
Rock of Ages
Rock of Ages
Walter Jon Williams
PG
Time Risk 3
Time Risk 3
Elyse Douglas
PG
Percy's Progress
Percy's Progress
Raymond Hitchcock
PG
Super Gran on Holiday
Super Gran on Holiday
Forrest Wilson
PG
Under Heaven's Bridge
Under Heaven's Bridge
Michael Bishop; Ian Watson
PG
Hot Sleep: The Worthing Chronicle
Hot Sleep: The Worthing Chronicle
Orson Scott Card
PG
The Golden Grove
The Golden Grove
Nancy Kress
PG
Tarzan and the Madman
Tarzan and the Madman
Edgar Rice Burroughs
PG
The Lake at the End of the World
The Lake at the End of the World
Caroline Macdonald
PG