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.

Dust of Eden
Dust of Eden
Thomas Sullivan
PG
Twice Departed
Twice Departed
Frank Johnson (I)
PG
The Dark Age of Enya
The Dark Age of Enya
Nick Alimonos
PG
The Big Bleep: The Case of a Different Universe
The Big Bleep: The Case of a Different Universe
Lawrence R. Spencer
PG
Wizard of Isis
Wizard of Isis
Jean Stewart
PG
Spook Rock
Spook Rock
Pasquale J. Morrone
PG
Mirror of Destiny
Mirror of Destiny
Andre Norton
PG
Getting Near the End
Getting Near the End
Andrew Weiner
PG
Armadale
Armadale
Wilkie Collins
PG
The Colour out of Darkness
The Colour out of Darkness
John Pelan
PG
The Burning
The Burning
Kathryn Lasky
PG
Letters from the Flesh
Letters from the Flesh
Marcos Donnelly
PG
Newbies
Newbies
James A. Moore
PG
Hammered
Hammered
Elizabeth Bear
PG
The Madness Season
The Madness Season
C. S. Friedman
PG
Deus Encarmine
Deus Encarmine
James Swallow
PG
Ocean of Tears
Ocean of Tears
Stewart Wieck
PG
Robots: The Movie Novel
Robots: The Movie Novel
Nancy Krulik
PG
Sunstorm
Sunstorm
Arthur C. Clarke; Stephen Baxter
PG
God in Concord
God in Concord
Jane Langton
PG
Magyk
Magyk
Angie Sage
PG
The Mysteries
The Mysteries
Lisa Tuttle
PG
Flame of Separation
Flame of Separation
Des Kennedy
PG
Horribly Haunted Houses
Horribly Haunted Houses
Barbara Smith
PG
The House on the Gulf
The House on the Gulf
Margaret Peterson Haddix
PG
Misadventures and Merfolk
Misadventures and Merfolk
Kelly Reno
PG
The Queen's Knight
The Queen's Knight
Deborah Chester
PG
CUSP
CUSP
Robert A. Metzger
PG
The Rose of Heaven
The Rose of Heaven
Michael Hemmingson
PG
The Stonehenge Gate
The Stonehenge Gate
Jack Williamson
PG