Book Series · 4 Books

Casey Grimes Books

In order from The Mostly Invisible Boy to Casey Grimes and The Fiery Crash.

The Casey Grimes series is a set of 4 chapter books, published between 2020 and 2023. Written for ages 8–13, most books run about 290 pages.

Where the story begins

First Book in the Series

Sale price

$1899

Book #1 · Chapter Book · Ages 9–13 · 2020

The Mostly Invisible Boy

Invisible boy discovers a hidden world where monsters threaten, and only forgotten magic can save them all.

294 pages

$19.99Save 5%

Paperback

Summary: Eleven-year-old Casey Grimes is invisible at school, but a climb up a colossal oak reveals a hidden world where he's finally seen. In the secretive Sylvan Woods, Casey and his sister Gloria face ancient monsters and a society on the brink of chaos. As the Butcher Beasts return, Casey must uncover buried magic to save both the Sylvans and his own world. Can he prove he belongs before it's too late?

The complete set

Casey Grimes Series

4 books · Published 2020–2023

Series

Sale price

$1899

The Mostly Invisible Boy

Chapter Book · Ages 9–13 · 2020

Invisible boy discovers a hidden world where monsters threaten, and only forgotten magic can save them all.

Series

Sale price

$1697

Casey Grimes at Trickery School

Chapter Book · Ages 8–13 · 2020

A young student at a monster-control academy faces a cunning, mysterious enemy intent on his downfall.

Series

Sale price

$1697

Twisting Trails

Chapter Book · Ages 8–13 · 2022

A mysterious threat lurks in the woods, challenging Casey's survival skills and courage.

#4 in Series

Sale price

$1697

Casey Grimes and The Fiery Crash

Chapter Book · 2023

Spring break turns perilous as foes seek revenge on Casey and Gloria.

Good to know

Common Questions

How many books are in the Casey Grimes series?

There are 4 books in the Casey Grimes series. It began with The Mostly Invisible Boy in 2020, and the newest book, Casey Grimes and The Fiery Crash, was published in 2023.