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.

Question Quest
Question Quest
Piers Anthony
PG
Brittle Innings
Brittle Innings
Michael Bishop
PG
Brightsuit MacBear
Brightsuit MacBear
L. Neil Smith
PG
The Invaders Are Coming!
The Invaders Are Coming!
Alan E. Nourse; J. A. Meyer
PG
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers: Color Edition
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers: Color Edition
Dav Pilkey
PG
The Gateway to Never
The Gateway to Never
A. Bertram Chandler
PG
Bring Back Yesterday
Bring Back Yesterday
A. Bertram Chandler
PG
The Stone Canal
The Stone Canal
Ken MacLeod
PG
The Singer and the Sea
The Singer and the Sea
Michael Scott Rohan
PG
Super Gran at the Circus
Super Gran at the Circus
Forrest Wilson
PG
Bill, the Galactic Hero on the Planet of Tasteless Pleasure
Bill, the Galactic Hero on the Planet of Tasteless Pleasure
Harry Harrison; David Bischoff
PG
The Weapon Shops of Isher
The Weapon Shops of Isher
A. E. van Vogt
PG
Watchmen
Watchmen
Alan Moore; Dave Gibbons
PG
The Dark Side
The Dark Side
Zach Hughes
PG
Beyond the Fall of Night
Beyond the Fall of Night
Arthur C. Clarke; Gregory Benford
PG
Prodigy
Prodigy
Arthur Byron Cover
PG
Forerunner
Forerunner
Andre Norton
PG
Fake: A thrillingly paced, timely novel about identity and our digital lives
Fake: A thrillingly paced, timely novel about identity and our digital lives
Ele Fountain
PG
A POPPY PLAYTIME STORY: THE SMILING CRITTERS’ DARING ESCAPE
A POPPY PLAYTIME STORY: THE SMILING CRITTERS’ DARING ESCAPE
Baxter Box
PG
The Secret Library
The Secret Library
Kekla Magoon
PG
Star Gate
Star Gate
Andre Norton
PG
Dawn of the Dragons (New Dragon City)
Dawn of the Dragons (New Dragon City)
Mari Mancusi
PG
Time Enough for Love
Time Enough for Love
Robert A. Heinlein
PG
The Day of the Burning
The Day of the Burning
Barry Malzberg
PG
The Beast Master
The Beast Master
Andre Norton
PG
The Thinking Machine Affair
The Thinking Machine Affair
Joel Bernard
PG
Rhapsody in Black
Rhapsody in Black
Brian Stableford
PG
To Challenge Chaos
To Challenge Chaos
Brian Stableford
PG
The Wrinkle in Time Quintet Boxed Set (A Wrinkle in Time, A Wind in the Door, A Swiftly Tilting Planet, Many Waters, An Acceptable Time)
The Wrinkle in Time Quintet Boxed Set (A Wrinkle in Time, A Wind in the Door, A Swiftly Tilting Planet, Many Waters, An Acceptable Time)
Madeleine L'Engle
PG
Firesnake (Volume 3) (The Last Cuentista)
Firesnake (Volume 3) (The Last Cuentista)
Donna Barba Higuera
PG