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.

Mind Over Psyche
Mind Over Psyche
Karina Fabian
PG-13
Kundalini Conspiracy
Kundalini Conspiracy
Andrew May
PG-13
Buzz Off
Buzz Off
Kailin Gow
PG-13
Wings of the Overlord
Wings of the Overlord
Morton Faulkner
PG-13
The Confounding Case of the Climate Crisis
The Confounding Case of the Climate Crisis
Owen R. Liu; Barbara Tinker
PG-13
Boofalo: A Funny Book
Boofalo: A Funny Book
Richard S. Greene
PG-13
The Shaman's Secret
The Shaman's Secret
Karen Hughes
PG-13
Two and Two Is Six
Two and Two Is Six
Eric Hatch
PG-13
Wavefunction
Wavefunction
Bryony Pearce
PG-13
Dr. Quantum in the Grandfather Paradox
Dr. Quantum in the Grandfather Paradox
Fred Alan Wolf
PG-13
New Pacific
New Pacific
G. Miki Hayden
PG-13
Whose Top Reached the Heavens
Whose Top Reached the Heavens
Billy Joe Sharp, Jr.
PG-13
Code of the Brethren
Code of the Brethren
Danica Fontaine
PG-13
The Heritage of Terra: The Obligation: First War
The Heritage of Terra: The Obligation: First War
Daniel-Gary Holderman
PG-13
Whispers in the Cries
Whispers in the Cries
Matthew Ewald
PG-13
Glory Be to Mars
Glory Be to Mars
Thomas W. Cronin
PG-13
Shrapnel
Shrapnel
Rick Hudson
PG-13
Sabbath's Gift
Sabbath's Gift
Marilyn Celeste Morris
PG-13
Light
Light
Paul Dale Anderson
PG-13
The Secrets of Time
The Secrets of Time
Gary Sturm
PG-13
Darkness
Darkness
Paul Dale Anderson
PG-13
The Last Secrets
The Last Secrets
McKenzie Dempsey
PG-13
The Chance of a Lifetime
The Chance of a Lifetime
Mark Finn
PG-13
Far from Burden Dell
Far from Burden Dell
Chris Coppel
PG-13
Cat-astrophe
Cat-astrophe
J. Carlysle Ramsey
PG-13
Armagiddeon: Genesis
Armagiddeon: Genesis
J. Carlysle Ramsey
PG-13
Strange Brew
Strange Brew
Emma Weylin
PG-13
The Temple of Hashem
The Temple of Hashem
Hyam Yona Becker
PG-13
Guardians of the Immortal Realms
Guardians of the Immortal Realms
Ruby Moon-Houldson
PG-13
Defender of the Flame
Defender of the Flame
John B. Rosenman
PG-13