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.

Curse of Planet Kuz
Curse of Planet Kuz
Erle van Loden
PG
The Castle of Darkness
The Castle of Darkness
Herbie Brennan
PG
This Incredible Adventure
This Incredible Adventure
Armour Macmillan
PG
Dinosaur Planet 2: The Survivors
Dinosaur Planet 2: The Survivors
Anne McCaffrey
PG
Focus and the Death-Ride
Focus and the Death-Ride
Ken Catran
PG
Krystonian Adventures
Krystonian Adventures
Mark Scott; Pat Chandok; Dave Woodard
PG
The Skylark of Space
The Skylark of Space
Edward Elmer Smith; Lee Hawkins Garby
PG
Stalker of the Worlds
Stalker of the Worlds
Dennis Summers
PG
Robot in the Glass
Robot in the Glass
Dennis Summers
PG
Code of the Clans
Code of the Clans
Tui T. Sutherland
PG
Secrets of the Clans
Secrets of the Clans
Tui T. Sutherland
PG
Star Sapphire
Star Sapphire
Han May
PG
Young Stowaways in Space
Young Stowaways in Space
Richard M. Elam
PG
Cyclops
Cyclops
Clive Cussler
PG
Payback City
Payback City
John Barnes
PG
The Sandifer Equation
The Sandifer Equation
Richard Pickens
PG
Isle of Peril
Isle of Peril
Jack Vance
PG
In Alien Hands
In Alien Hands
William Shatner; W. T. Quick
PG
Shadow Planet
Shadow Planet
William Shatner; W. T. Quick
PG
Assignment Luther
Assignment Luther
Lan Wright
PG
An Atomic Phantasy: Krakatit
An Atomic Phantasy: Krakatit
Karel Čapek
PG
The Other Side of Night
The Other Side of Night
Paul Charkin
PG
The Hawk: A Story of Aerial War
The Hawk: A Story of Aerial War
Ronald Legge
PG
The Millennium
The Millennium
J. G. Legge
PG
Song of Oz
Song of Oz
Jeff Barstock
PG
The Green Goblins of Oz
The Green Goblins of Oz
Marin Xiques; Chris Dulabone
PG
The Corn Mansion of Oz
The Corn Mansion of Oz
Peter Schulenburg
PG
Vampires and Oz
Vampires and Oz
Nikki Kay Richardson
PG
The Cloud King of Oz
The Cloud King of Oz
Richard E. Blaine; March Laumer
PG
A Silver Elf in Oz
A Silver Elf in Oz
Marin Xiques; Chris Dulabone
PG