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.

Rags
Rags
Mick Lewis
PG
Palace of the Red Sun
Palace of the Red Sun
Christopher Bulis
PG
Record of a Spaceborn Few
Record of a Spaceborn Few
Becky Chambers
PG
First Born
First Born
Richard Sears
PG
Journey through Ash and Smoke (Ranger in Time #5) (5)
Journey through Ash and Smoke (Ranger in Time #5) (5)
Kate Messner
PG
Down to Earth
Down to Earth
Harry Turtledove
PG
Man in a Cage
Man in a Cage
Brian Stableford
PG
Victories Greater Than Death
Victories Greater Than Death
Charlie Jane Anders
PG
Galactic Takeover Bid
Galactic Takeover Bid
J. T. McIntosh
PG
God of Tarot
God of Tarot
Piers Anthony
PG
Destiny Times Three
Destiny Times Three
Fritz Leiber
PG
We Claim These Stars!
We Claim These Stars!
Poul Anderson
PG
Mercenary
Mercenary
Piers Anthony
PG
Statesman
Statesman
Piers Anthony
PG
Chaining the Lady
Chaining the Lady
Piers Anthony
PG
After Doomsday
After Doomsday
Poul Anderson
PG
Double Abduction
Double Abduction
Chris Beakey
PG
Orn
Orn
Piers Anthony
PG
True Colours
True Colours
Karen Traviss
PG
The Memory Tree
The Memory Tree
John R. Little
PG
Cretaceous Dawn
Cretaceous Dawn
Lisa M. Graziano; Michael S. A. Graziano
PG
The Secret of the Lost Planet
The Secret of the Lost Planet
Mel Hogan
PG
Tower of the King's Daughter
Tower of the King's Daughter
Chaz Brenchley
PG
Fire Sanctuary
Fire Sanctuary
Katharine Eliska Kimbriel
PG
Binti: Home
Binti: Home
Nnedi Okorafor
PG
Binti: The Night Masquerade
Binti: The Night Masquerade
Nnedi Okorafor
PG
Howard S. Smith's I, Robot
Howard S. Smith's I, Robot
Howard S. Smith
PG
The Stolen Planet
The Stolen Planet
John Mastin
PG
Herland
Herland
Charlotte Perkins Gilman
PG
The Ledger
The Ledger
Dorothy Uhnak
PG