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.

Lament for the Fallen
Lament for the Fallen
Gavin Chait
PG-13
Plunder of Gor
Plunder of Gor
John Norman
PG-13
Rise of the Robot Army
Rise of the Robot Army
Robert Venditti
PG-13
Woodwalker
Woodwalker
Emily B. Martin
PG-13
Horrid Mysteries
Horrid Mysteries
Carl Grosse
PG-13
Cat-astrophe
Cat-astrophe
J. Carlysle Ramsey
PG-13
Dead Man's Debt
Dead Man's Debt
Elliott Kay
PG-13
Gray Widow's Walk
Gray Widow's Walk
Dan Jolley
PG-13
Murder at the Mars Club
Murder at the Mars Club
Greg Fowlkes
PG-13
Armagiddeon: Genesis
Armagiddeon: Genesis
J. Carlysle Ramsey
PG-13
Tommy Frasier and the Planet of the Slugs
Tommy Frasier and the Planet of the Slugs
Quentin Dodd
PG-13
ME, Too: Loose in the Network
ME, Too: Loose in the Network
Thomas T. Thomas
PG-13
The Music Box Girl
The Music Box Girl
K. A. Stewart
PG-13
The Heir to the North
The Heir to the North
Steven Poore
PG-13
The Smart Kid
The Smart Kid
Bob Miller
PG-13
Displaced
Displaced
Mark Anthony (I)
PG-13
Reprisal
Reprisal
Mark Anthony (I)
PG-13
J & K 4Ever
J & K 4Ever
Sam Hawksmoor
PG-13
The Twilight Child
The Twilight Child
Elizabeth Harris
PG-13
Search for the Beast
Search for the Beast
Derrick Ferguson
PG-13
Struck
Struck
Amanda Carlson
PG-13
The Terminal War
The Terminal War
A. C. Hadfield
PG-13
The Atlantis Ship
The Atlantis Ship
A. C. Hadfield
PG-13
Hollow Space: Venture
Hollow Space: Venture
C. F. Barnes; T. F. Grant
PG-13
A Priest in 1835
A Priest in 1835
Jules Verne
PG-13
Third Daughter
Third Daughter
Susan Kaye Quinn
PG-13
Our Forbidden Love
Our Forbidden Love
Brenda Hastings
PG-13
Bane County: Forgotten Moon
Bane County: Forgotten Moon
J. R. Rice
PG-13
Icarus
Icarus
Matt Verish
PG-13
The Last Plague
The Last Plague
Rich Hawkins
PG-13