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 Touch of Your Shadow, the Whisper of Your Name
The Touch of Your Shadow, the Whisper of Your Name
Neal Barrett, Jr.
PG
The Shattered Goddess
The Shattered Goddess
Darrell Schweitzer
PG
Tom Corbett, Space Cadet: The Space Pioneers
Tom Corbett, Space Cadet: The Space Pioneers
Carey Rockwell
PG
Alongside Night
Alongside Night
J. Neil Schulman
PG
The Eyeless
The Eyeless
Lance Parkin
PG
Welcome to Mars
Welcome to Mars
James Blish
PG
Pirates of the Mist
Pirates of the Mist
Tracy L. Ranson
PG
Driven
Driven
Eve Silver
PG
Retaliation
Retaliation
Bill McCay
PG
Feeling the Vibes
Feeling the Vibes
Annie Dalton
PG
Shadow of the Watching Star
Shadow of the Watching Star
William Sarabande
PG
Alien Log
Alien Log
Robert Farrell
PG
Slaves of the Volcano God
Slaves of the Volcano God
Craig Shaw Gardner
PG
The Howling Stones
The Howling Stones
Alan Dean Foster
PG
Doctor Who: Death Comes to Time
Doctor Who: Death Comes to Time
Colin Meek
PG
Interface Masque
Interface Masque
Shariann Lewitt
PG
The Si-Fan Mysteries
The Si-Fan Mysteries
Sax Rohmer
PG
The Journal of Curious Letters
The Journal of Curious Letters
James Dashner
PG
Twice Upon a Time
Twice Upon a Time
Allen Appel
PG
Freakling (The Psi Chronicles)
Freakling (The Psi Chronicles)
Lana Krumwiede
PG
The Original Glitch
The Original Glitch
Melanie Moyer
PG
The Day the Machines Stopped
The Day the Machines Stopped
Christopher Anvil
PG
The Doll People
The Doll People
Laura Godwin; Ann M. Martin
PG
Hero Driver
Hero Driver
Alfred Coppel
PG
The Army of the Dead
The Army of the Dead
Curtis Steele
PG
The Hollow Skull
The Hollow Skull
Christopher Pike
PG
The Aachen Memorandum
The Aachen Memorandum
Andrew Roberts
PG
Galactic Frontiers
Galactic Frontiers
Darrell Bain
PG
Burnout: The Mystery of Space Shuttle STS-281
Burnout: The Mystery of Space Shuttle STS-281
Stephanie Osborn
PG
Savage Survival
Savage Survival
Darrell Bain
PG