PG-13 rated sci-fi books

24646 books

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

Truck Stop Earth
Truck Stop Earth
Michael Armstrong
PG-13
Over the River
Over the River
Libby Bishop
PG-13
Life on Mars
Life on Mars
Michael J. Dawson
PG-13
The Gambit of Perfection
The Gambit of Perfection
Raeden Zen
PG-13
Echoes of Silence
Echoes of Silence
Elana Johnson
PG-13
Down to Dirt
Down to Dirt
Kevin Killiany
PG-13
Crimson Souls
Crimson Souls
William Holden
PG-13
Protected
Protected
Evangeline Anderson
PG-13
Nighter
Nighter
Magdalena Kozak
PG-13
Undersea Atrophia
Undersea Atrophia
Geoffrey Morrison
PG-13
Moons Rising
Moons Rising
Blythe Ayne
PG-13
Fire With Fire
Fire With Fire
Paula Gill
PG-13
The Cross of St. Anne
The Cross of St. Anne
Gary Alan Ruse
PG-13
Aggie & Agent X
Aggie & Agent X
Gary Alan Ruse
PG-13
Heart of the Assassin
Heart of the Assassin
Robert Ferrigno
PG-13
Beware the Fugitora
Beware the Fugitora
John H. C. Pippy
PG-13
Fallen
Fallen
Amy J. Murphy
PG-13
My Brother's Keeper
My Brother's Keeper
Charles Sheffield
PG-13
Barbary Slave
Barbary Slave
Gardner F. Fox
PG-13
Chasing Freedom
Chasing Freedom
Marina Fontaine
PG-13
Souldancer
Souldancer
Brian Niemeier
PG-13
Dark Age
Dark Age
Felix O. Hartmann
PG-13
Honor at Stake
Honor at Stake
Declan Finn
PG-13
The Man with a Shadow
The Man with a Shadow
George Manville Fenn
PG-13
House of Four Seasons
House of Four Seasons
Abigail McDaniels
PG-13
House of Four Seasons
House of Four Seasons
Lynda Trent; Dan Trent
PG-13
Darkspire Reaches
Darkspire Reaches
C. N. Lesley
PG-13
Earth Boy
Earth Boy
Sami Shah
PG-13
End of Days
End of Days
Tara Fox Hall
PG-13
Catnap
Catnap
Carole Nelson Douglas
PG-13