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.

Watchstar
Watchstar
Pamela Sargent
PG
Doomsday Morning
Doomsday Morning
C. L. Moore
PG
Blue Fruit
Blue Fruit
Adam Lively
PG
The Other Sinbad
The Other Sinbad
Craig Shaw Gardner
PG
The Sandcats of Rhyl
The Sandcats of Rhyl
Robert E. Vardeman
PG
Star Giant
Star Giant
Dorothy E. Skinkle
PG
The Duplicated Man
The Duplicated Man
James Blish; Robert A. W. Lowndes
PG
Homeworld
Homeworld
Harry Harrison
PG
Sisters of the Vast Black (Our Lady of Endless Worlds, 1)
Sisters of the Vast Black (Our Lady of Endless Worlds, 1)
Lina Rather
PG
The Strange Power
The Strange Power
L. J. Smith
PG
The Stainless Steel Rat Saves the World
The Stainless Steel Rat Saves the World
Harry Harrison
PG
Starworld
Starworld
Harry Harrison
PG
Avenging Angel
Avenging Angel
Frank Rich
PG
The Maid: A GMA Book Club Pick: A Novel
The Maid: A GMA Book Club Pick: A Novel
Nita Prose
PG
Starfire
Starfire
Paul Preuss
PG
Forget Me Not
Forget Me Not
Patrice Chaplin
PG
F.R.E.E.Lancers
F.R.E.E.Lancers
Mel Odom
PG
The Adam Project
The Adam Project
William Woolfolk
PG
Arthur Rex
Arthur Rex
Thomas Berger (1924-2014)
PG
Cruel Designs
Cruel Designs
Cherry Wilder
PG
Play Time
Play Time
Morgan Fields
PG
The Saga of Dharmapuri
The Saga of Dharmapuri
O. V. Vijayan
PG
The Fires of Fu Manchu
The Fires of Fu Manchu
Cay Van Ash
PG
The Object: Hard Science Fiction
The Object: Hard Science Fiction
Joshua T. Calvert
PG
The Oregon Invasion
The Oregon Invasion
Jayne Tannehill
PG
The Proving
The Proving
Thomas Szollosi
PG
To Conquer the Throne
To Conquer the Throne
Tim Sullivan
PG
The Adventure of the Ectoplasmic Man
The Adventure of the Ectoplasmic Man
Daniel Stashower
PG
The History and Adventures of an Atom
The History and Adventures of an Atom
Tobias Smollett
PG
Mandrake
Mandrake
J. Edward Lord
PG