Max, Liz, and Chen are gathering more clues in Book 4 of the Code Breakers series as teachers keep dodging their questions and acting stranger than usual.

The three friends arrive at school one day to find Miss Brook's normally tidy art room a disaster! When they help her clean up the mess, they discover a secret coded message. Miss Brooks and other teachers in the school are acting strangely. Will Max, Liz, and Chen figure out what is going on?

This decodable chapter book lets upper elementary readers build fluency with long vowels while unraveling this page-turning mystery. The series includes accessible, dyslexia-friendly font and takes readers through a systematic sequence of skills.