PG rated sci-fi books

3620 books

Sci-fi books with mild content — safe for most readers. May contain mild peril or fantasy violence but nothing graphic.

The Grissom Contention
The Grissom Contention
Julia Huni
PG
D-Day: Battle on the Beach (Ranger in Time #7) (7)
D-Day: Battle on the Beach (Ranger in Time #7) (7)
Kate Messner
PG
The Thrifty Guide to Ancient Greece
The Thrifty Guide to Ancient Greece
Jonathan W. Stokes
PG
World's Worst Time Machine
World's Worst Time Machine
Dustin Brady
PG
End Game
End Game
Peter David
PG
12 to 22: POV You Wake Up in the Future!
12 to 22: POV You Wake Up in the Future!
Jen Calonita
PG
The Incredible Adventures of Rush Revere: Rush Revere and the Brave Pilgrims; Rush Revere and the First Patriots; Rush Revere and the American ... Banner; Rush Revere and the Presidency
The Incredible Adventures of Rush Revere: Rush Revere and the Brave Pilgrims; Rush Revere and the First Patriots; Rush Revere and the American ... Banner; Rush Revere and the Presidency
Rush Limbaugh
PG
American Tabloid
American Tabloid
James Ellroy
PG
East of Ealing
East of Ealing
Robert Rankin
PG
The Wild Robot Escapes (Volume 2)
The Wild Robot Escapes (Volume 2)
Peter Brown
PG
Escape from the Great Earthquake (Ranger in Time #6) (6)
Escape from the Great Earthquake (Ranger in Time #6) (6)
Kate Messner
PG
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers: Color Edition (Captain Underpants #9)
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers: Color Edition (Captain Underpants #9)
Dav Pilkey
PG
Burning Angel
Burning Angel
James Lee Burke
PG
Sent
Sent
Margaret Peterson Haddix
PG
The Chronothon: A Time Travel Adventure
The Chronothon: A Time Travel Adventure
Nathan Van Coops
PG
Alebrijes (The Last Cuentista, 2)
Alebrijes (The Last Cuentista, 2)
Donna Barba Higuera
PG
The Long Utopia
The Long Utopia
Terry Pratchett; Stephen Baxter
PG
The Knights of the Kitchen Table #1 (Time Warp Trio)
The Knights of the Kitchen Table #1 (Time Warp Trio)
Jon Scieszka
PG
Last Day on Mars (Chronicle of the Dark Star, 1)
Last Day on Mars (Chronicle of the Dark Star, 1)
Kevin Emerson
PG
The Chronicles of Tiris
The Chronicles of Tiris
Vasily Mahanenko
PG
Nemesis
Nemesis
Isaac Asimov
PG
Foundation
Foundation
Isaac Asimov
PG
The Invisible Man
The Invisible Man
H. G. Wells
PG
Percy Jackson's Greek Heroes
Percy Jackson's Greek Heroes
Rick Riordan
PG
Practical Demonkeeping
Practical Demonkeeping
Christopher Moore
PG
Grim Tuesday
Grim Tuesday
Garth Nix
PG
The Masterharper of Pern
The Masterharper of Pern
Anne McCaffrey
PG
The Renegades of Pern
The Renegades of Pern
Anne McCaffrey
PG
The Dolphins of Pern
The Dolphins of Pern
Anne McCaffrey
PG
Split Infinity
Split Infinity
Piers Anthony
PG