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.

Second Sunrise
Second Sunrise
Aimée Thurlo; David Thurlo
PG
The Ghost Menagerie
The Ghost Menagerie
Mary Hoffman
PG
White Skull: The Book of Mission, from Marseilles to Madagascar
White Skull: The Book of Mission, from Marseilles to Madagascar
James Havoc
PG
Drew's Talents
Drew's Talents
Cherith Baldry
PG
A City of Bells
A City of Bells
Elizabeth Goudge
PG
Project Jupiter
Project Jupiter
Fredric Brown
PG
The Not-Men
The Not-Men
Jack Williamson
PG
Nine Lives: The Remarkable Journeys of Jason and Gareth
Nine Lives: The Remarkable Journeys of Jason and Gareth
Lloyd Alexander
PG
The Mysterious Island
The Mysterious Island
Jules Verne
PG
Gender Genocide
Gender Genocide
Edmund Cooper
PG
Tom Swift and His Undersea Search
Tom Swift and His Undersea Search
Victor Appleton
PG
Chaos on Earth
Chaos on Earth
Victor Appleton
PG
The Emperor's Bracelet
The Emperor's Bracelet
Manning Coles
PG
Pale Death
Pale Death
Aimée Thurlo; David Thurlo
PG
The Birth of a New Republic
The Birth of a New Republic
Jack Williamson; Miles J. Breuer
PG
Field Hospital
Field Hospital
James White
PG
Blood Red Moon
Blood Red Moon
Ed Gorman
PG
Carpe Jugulum - The Play
Carpe Jugulum - The Play
Terry Pratchett; Stephen Briggs
PG
The 10th Victim
The 10th Victim
Robert Sheckley
PG
Phase Two
Phase Two
Walt Richmond; Leigh Richmond
PG
Mind-Breaks of Space
Mind-Breaks of Space
Michael Butterworth
PG
Planet of Whispers
Planet of Whispers
James P. Kelly
PG
Space-Borne
Space-Borne
R. L. Fanthorpe M. B. I. S.
PG
The Space Raiders
The Space Raiders
Barrington Beverley
PG
Star-Raker
Star-Raker
Ian Cameron; E. E. Vielle
PG
The Venus Venture
The Venus Venture
Marston Johns
PG
The Dark Ocean
The Dark Ocean
Jack Vance
PG
Poisoned Planet
Poisoned Planet
William Thomas Webb
PG
The Black House
The Black House
Jackie French
PG
The Hellhound Project
The Hellhound Project
Ron Goulart
PG