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.

Walls of Ice
Walls of Ice
Norma McPhee
PG
The Moonpainters
The Moonpainters
Suzanne Burns
PG
Minders
Minders
Diana Hendry
PG
FLOOD
FLOOD
Troy Schmidt
PG
Rowan and the Travelers
Rowan and the Travelers
Emily Rodda
PG
Devlin's Justice
Devlin's Justice
Patricia Bray
PG
Stormwarden
Stormwarden
Janny Wurts
PG
The Worm Cach
The Worm Cach
R. A. Clark
PG
Burn Me Deadly
Burn Me Deadly
Alex Bledsoe
PG
Bubba Ho-Tep
Bubba Ho-Tep
Joe R. Lansdale; Don Coscarelli
PG
The Wall of Souls
The Wall of Souls
Susie Amburgey Stevens
PG
Among the Brave
Among the Brave
Margaret Peterson Haddix
PG
Keina: Lady-in-Waiting of Innis Aelga
Keina: Lady-in-Waiting of Innis Aelga
J. H. Newbold
PG
Eidolon 631
Eidolon 631
John J. Terris
PG
The Egg
The Egg
Andy Weir
PG
The Wizard of Starship Poseidon
The Wizard of Starship Poseidon
Kenneth Bulmer
PG
Dudes Dystopia
Dudes Dystopia
Tyler Reynolds
PG
Bladesman of Antares
Bladesman of Antares
Kenneth Bulmer
PG
The Inner House
The Inner House
Walter Besant
PG
Through Space to Mars; or, The Longest Journey on Record
Through Space to Mars; or, The Longest Journey on Record
Roy Rockwood
PG
Virility Gene
Virility Gene
Kenneth Bulmer
PG
The Orpheus Machine
The Orpheus Machine
Ray Aldridge
PG
The One King
The One King
Angela Ballou
PG
The Last Human
The Last Human
Lee Bacon
PG
Warpath
Warpath
Tony Daniel
PG
Mortal Companion
Mortal Companion
Patrick Califia
PG
The Gifts of the Gorboduc Vandal
The Gifts of the Gorboduc Vandal
Paul O. Williams
PG
The Monster in the Hollows
The Monster in the Hollows
Andrew Peterson
PG
Indiana Jones and the Lost Treasure of Sheba
Indiana Jones and the Lost Treasure of Sheba
Rose Estes
PG
The Kundalini Equation
The Kundalini Equation
Steven Barnes
PG