The Math Inspectors are called in to uncover the identity of a criminal prankster named Mr. Jekyll, but the more the friends delve into the crimes, the more they realize why they were asked to help, and it wasn't because of their detective skills. Aligned to Common Core Standards and correlated to state standards. Chapter Books is an imprint of Spotlight, a division of ABDO.

Binding Type: Library Binding
Publisher: Chapter Books
Published: 08/01/2025
ISBN: 9781098256074
Pages: 160
Accelerated Reader Quiz #/Name: 523029 / Case of the Mysterious Mr. Jekyll
Reading Level: 4.4 / Interest Level: Middle Grade / Point Value: 3