Max, Liz, and Chen put their puzzling skills to work in Book 3 of the Code Breakers series. Now that they are part of Miss Graph's Code Breakers Club, the three friends are ready to start putting their code breaking skills to the test. And it's just in time to save the day when their bus gets lost on the class trip to the zoo! This decodable chapter book lets upper elementary readers build fluency with long vowels while unraveling this page-turning mystery. Features dyslexia-friendly font and accessible design to help meet the learning needs of all students.