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.

Ralph 124C 41+: A Romance of the Year 2660
Ralph 124C 41+: A Romance of the Year 2660
Hugo Gernsback
PG
Pornucopia
Pornucopia
Piers Anthony
PG
Curtsies & Conspiracies
Curtsies & Conspiracies
Gail Carriger
PG
Charlie's Web
Charlie's Web
L. L. Thrasher
PG
Alien Contact
Alien Contact
Herbie Brennan
PG
Gob's Grief
Gob's Grief
Chris Adrian
PG
The Strayed Sheep of Charun
The Strayed Sheep of Charun
John Maddox Roberts
PG
The Braided World
The Braided World
Kay Kenyon
PG
Deep Midnight
Deep Midnight
Shannon Drake
PG
Heart of the Galaxy
Heart of the Galaxy
David A. Kennedy
PG
Spider
Spider
Patrick McGrath
PG
Swimmer
Swimmer
Graham Masterton
PG
Oogie Boogie Central
Oogie Boogie Central
M. Stephen Lukac
PG
Greater Than the Sum
Greater Than the Sum
Christopher L. Bennett
PG
Ravensoul
Ravensoul
James Barclay
PG
Metal Angel
Metal Angel
Nancy Springer
PG
Blue Limbo
Blue Limbo
Terence M. Green
PG
Bar None
Bar None
Tim Lebbon
PG
The Unfair Fare Affair
The Unfair Fare Affair
Peter Leslie
PG
Planet Finders
Planet Finders
Vern Dermott
PG
The Shadow Girl
The Shadow Girl
Ray Cummings
PG
The House of Sleep
The House of Sleep
Anna Kavan
PG
Through the Air to the North Pole; or, The Wonderful Cruise of the Electric Monarch
Through the Air to the North Pole; or, The Wonderful Cruise of the Electric Monarch
Roy Rockwood
PG
Tender Loving Rage
Tender Loving Rage
Alfred Bester
PG
Strange Invasion
Strange Invasion
Michael Kandel
PG
Ring of Intrigue
Ring of Intrigue
Jane S. Fancher
PG
The Mark of the Vampire Queen
The Mark of the Vampire Queen
Joey W. Hill
PG
Howling at the Moon
Howling at the Moon
Karen MacInerney
PG
Kutath
Kutath
C. J. Cherryh
PG
Your Turn – To Scream!
Your Turn – To Scream!
M. T. Coffin
PG