The mystery of the school mayhem deepens in Book 7 of the Code Breakers series as Max, Liz, and Chen chase clues right to the center of it all: the main office! This decodable chapter book lets upper elementary readers build fluency with different syllabl
"This series offers a fun and engaging introduction to code-breaking while weaving in a clever mystery...A solid secondary purchase for large libraries that code breakers will enjoy."
