This book has been graded for interest at 8-12 years.

There are 192 pages in this book. This book was published 2016 by Little, Brown Books for Young Readers .

Originally from Canada, Chris Strathearn now lives in Brooklyn with his wife and two cats. He has written stories for early readers based on superheroes such as Superman, Wolverine, and the Hulk. Kirsten Mayer has written several books for children, including a New York Times bestseller. She lives in New York City amidst towers of books and shoes, with one bratty cat and one patient husband.