PG-13 rated sci-fi books
24646 booksSci-fi books with moderate content. May include moderate violence, mild romance, and some darker themes. Best for teens and up.
Break My Heart 1,000 Times
PG-13Children of Time Hardcover Box Set
PG-13
Dinosaur Thunder
PG-13
Damned
PG-13
Shadow of Freedom
PG-13
Gnome Invasion
PG-13
Star Jumper
PG-13
Fortress Frontier
PG-13
The Robot King
PG-13
Gideon Smith and the Mechanical Girl
PG-13
American Elsewhere
PG-13
Earth Afire
PG-13
The Queen Is Dead
PG-13
Jacob Wonderbar and the Interstellar Time Warp
PG-13
The Lascar's Dagger
PG-13
Disavowed
PG-13
Hair Ball from Outer Space
PG-13
Triplanetary (1934 serial version)
PG-13Conquerors' Pride
PG-13
Corydon and the Siege of Troy
PG-13
Seven Against Mars
PG-13
The Hidden Deep
PG-13Corydon and the Siege of Troy
PG-13
Tom Clancy's EndWar
PG-13
A Thousand Perfect Things
PG-13
Jupiter War
PG-13
33 A.D.
PG-13
The Undead Hordes of Kan-Gul
PG-13
The Delta Star
PG-13
Inheritance
PG-13