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.

The Penetrators
The Penetrators
Hank Searls
PG
Moon Base
Moon Base
E. C. Tubb
PG
The Time and Space of Uncle Albert
The Time and Space of Uncle Albert
Russell Stannard
PG
The Beginning
The Beginning
K. A. Applegate
PG
Stranger from Space
Stranger from Space
Ronald Marriott; Hazel Adair
PG
Worlds Beginning
Worlds Beginning
Robert Ardrey
PG
Close Encounters of the Third Kind
Close Encounters of the Third Kind
Steven Spielberg
PG
Supermind
Supermind
A. E. van Vogt
PG
Saint Mary Blue
Saint Mary Blue
Barry B. Longyear
PG
Albion
Albion
John Grant
PG
Star Trek Log Seven
Star Trek Log Seven
Alan Dean Foster
PG
The Sword Is Drawn
The Sword Is Drawn
Andre Norton
PG
The Violent Man
The Violent Man
A. E. van Vogt
PG
The Twenty-Fifth Hour
The Twenty-Fifth Hour
Herbert Best
PG
The Hand-Reared Boy
The Hand-Reared Boy
Brian W. Aldiss
PG
Murder of a Wife
Murder of a Wife
Henry Kuttner
PG
The Children of Green Knowe
The Children of Green Knowe
L. M. Boston
PG
Outer Space and All That Junk
Outer Space and All That Junk
Mel Gilden
PG
Blood and Bone
Blood and Bone
C. T. Westcott
PG
Childhood's End
Childhood's End
Arthur C. Clarke
PG
Every Dead Thing
Every Dead Thing
John Connolly
PG
Trapdoor to Heaven
Trapdoor to Heaven
Lesley Choyce
PG
The Rat Race
The Rat Race
Jay Franklin
PG
Many Waters
Many Waters
Madeleine L'Engle
PG
Champagne Charlie
Champagne Charlie
Jay Franklin
PG
Mother Night
Mother Night
Kurt Vonnegut, Jr.
PG
Blood and Hope
Blood and Hope
Iain McLaughlin
PG
Harmony
Harmony
Rita Murphy
PG
Looking for Hamlet: A Haunting at Deeping Lake
Looking for Hamlet: A Haunting at Deeping Lake
Hope Campbell
PG
Eternity
Eternity
Karen Sandler
PG