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.

Parallelities
Parallelities
Alan Dean Foster
PG
The Wolf's Hour
The Wolf's Hour
Robert R. McCammon
PG
When Harlie Was One
When Harlie Was One
David Gerrold
PG
Was
Was
Geoff Ryman
PG
Harlot's Ruse
Harlot's Ruse
Esther M. Friesner
PG
Scorpianne
Scorpianne
Emily Devenport
PG
The Gold Tooth
The Gold Tooth
John Taine
PG
The Last Gene
The Last Gene
Chris Longo
PG
They Shall Have Stars
They Shall Have Stars
James Blish
PG
The Technicolor Time Machine
The Technicolor Time Machine
Harry Harrison
PG
Waking in Dreamland
Waking in Dreamland
Jody Lynn Nye
PG
Star Rebel
Star Rebel
F. M. Busby
PG
Starman Jones
Starman Jones
Robert A. Heinlein
PG
Star Light
Star Light
Hal Clement
PG
The Stainless Steel Rat Gets Drafted
The Stainless Steel Rat Gets Drafted
Harry Harrison
PG
The Space Merchants
The Space Merchants
Frederik Pohl; C. M. Kornbluth
PG
Excalibur: Requiem
Excalibur: Requiem
Peter David
PG
Skylark Three
Skylark Three
Edward E. Smith
PG
Galactic Patrol
Galactic Patrol
Edward E. Smith
PG
Soldier of Light
Soldier of Light
John de Lancie; Tom Cool
PG
A Mirror Mended
A Mirror Mended
Alix E. Harrow
PG
Springwar
Springwar
Tom Deitz
PG
The Ship That Sailed the Time Stream
The Ship That Sailed the Time Stream
G. C. Edmondson
PG
The Two-Bear Mambo
The Two-Bear Mambo
Joe R. Lansdale
PG
Spaceship Medic
Spaceship Medic
Harry Harrison
PG
In Our Hands, the Stars
In Our Hands, the Stars
Harry Harrison
PG
Bill, the Galactic Hero on the Planet of Bottled Brains
Bill, the Galactic Hero on the Planet of Bottled Brains
Harry Harrison; Robert Sheckley
PG
Planet of No Return
Planet of No Return
Harry Harrison
PG
A Rebel in Time
A Rebel in Time
Harry Harrison
PG
A Theatre of Timesmiths
A Theatre of Timesmiths
Garry Kilworth
PG