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.

The Rival Submarines
The Rival Submarines
Percy F. Westerman
PG-13
The Pyx
The Pyx
John Buell
PG-13
Will to Survive
Will to Survive
Eric Walters
PG-13
Project MARS: A Technical Tale
Project MARS: A Technical Tale
Wernher von Braun
PG-13
Game of Clones
Game of Clones
M. E. Castle
PG-13
Creep, Shadow Creep!
Creep, Shadow Creep!
A. Merritt
PG-13
Priest or Pagan
Priest or Pagan
John Rathbone Oliver
PG-13
Rare Earth
Rare Earth
Frank Owen
PG-13
Half-Gods
Half-Gods
Murray Sheehan
PG-13
Gyrfalcon
Gyrfalcon
Anna Butler
PG-13
The Law of the Threshold
The Law of the Threshold
Flora Annie Steel
PG-13
The Sheltering Pine
The Sheltering Pine
John Angus
PG-13
Human Empire
Human Empire
Tim C. Taylor; Ian Whates
PG-13
An Astral Crime
An Astral Crime
Leone Clark Burbank
PG-13
Home Again
Home Again
Jerry Boyd
PG-13
Reading the Bones
Reading the Bones
Sheila Finch
PG-13
Veils of Fear
Veils of Fear
Vivian Meik
PG-13
The Shiva Syndrome
The Shiva Syndrome
Alan Joshua
PG-13
Dead Men
Dead Men
John C. Foster
PG-13
Samantha
Samantha
Tamara Thorne
PG-13
Highways In Hiding
Highways In Hiding
George Oliver Smith
PG-13
Dead On Its Tracks
Dead On Its Tracks
Johnny Ray Barnes, Jr.
PG-13
Bolthole
Bolthole
Doug Dandridge
PG-13
Moon of Odysseus
Moon of Odysseus
J. S. Morin
PG-13
The Aeneid
The Aeneid
Virgil
PG-13
The Skeleton Haunts a House
The Skeleton Haunts a House
Toni L. P. Kelner
PG-13
Of Enemies and Endings
Of Enemies and Endings
Shelby Bach
PG-13
My Loaded Gun, My Lonely Heart
My Loaded Gun, My Lonely Heart
Martin Rose
PG-13
Occupy Me
Occupy Me
Tricia Sullivan
PG-13
Staked
Staked
Kevin Hearne
PG-13