PG-13 rated sci-fi books

24434 books

Sci-fi books with moderate content. May include moderate violence, mild romance, and some darker themes. Best for teens and up.

Dr. Quantum in the Grandfather Paradox
Dr. Quantum in the Grandfather Paradox
Fred Alan Wolf
PG-13
The Planet Star Unfolding Prophecy
The Planet Star Unfolding Prophecy
C. M. Chakrabarti
PG-13
The Hundred-Acre Spaceship
The Hundred-Acre Spaceship
Ralph Roberts
PG-13
The Temple of Hashem
The Temple of Hashem
Hyam Yona Becker
PG-13
Two and Two Is Six
Two and Two Is Six
Eric Hatch
PG-13
Wavefunction
Wavefunction
Bryony Pearce
PG-13
Light
Light
Paul Dale Anderson
PG-13
Far from Burden Dell
Far from Burden Dell
Chris Coppel
PG-13
Whose Top Reached the Heavens
Whose Top Reached the Heavens
Billy Joe Sharp, Jr.
PG-13
The Rose of Camelot
The Rose of Camelot
James Philip Cox
PG-13
Gingerbread Economy
Gingerbread Economy
Lee McGeorge
PG-13
Strange Brew
Strange Brew
Emma Weylin
PG-13
Of Cabbages, Kings and Even (Odd) Queens of Wonderland and Oz
Of Cabbages, Kings and Even (Odd) Queens of Wonderland and Oz
James C. Wallace, II; Ron Baxley, Jr.
PG-13
A Mine of Faults
A Mine of Faults
F. W. Bain
PG-13
Masters of Evolution
Masters of Evolution
Damon Knight
PG-13
Guardians of the Immortal Realms
Guardians of the Immortal Realms
Ruby Moon-Houldson
PG-13
The Age of Asteroids
The Age of Asteroids
Elijah I. Toten
PG-13
Cat-astrophe
Cat-astrophe
J. Carlysle Ramsey
PG-13
New Pacific
New Pacific
G. Miki Hayden
PG-13
Jernigan's Egg
Jernigan's Egg
Richard Mueller
PG-13
Hard Drive
Hard Drive
Graham Marks
PG-13
Voice of the Eagle
Voice of the Eagle
Linda Lay Shuler
PG-13
Armagiddeon: Genesis
Armagiddeon: Genesis
J. Carlysle Ramsey
PG-13
Invasion of the Onion Heads
Invasion of the Onion Heads
James McTague
PG-13
Into the Deep
Into the Deep
Cindy R. Wilson
PG-13
Buzz Off
Buzz Off
Kailin Gow
PG-13
Boofalo: A Funny Book
Boofalo: A Funny Book
Richard S. Greene
PG-13
Glory Be to Mars
Glory Be to Mars
Thomas W. Cronin
PG-13
The Secrets of Time
The Secrets of Time
Gary Sturm
PG-13
Tamarisk
Tamarisk
Lou Aronica
PG-13