Jack's family is so noisy that no one ever hears what he says, but when he goes up the mountain with only his friend Chester, he learns how to make himself heard. Interest Level: K-3 Reading Level: 2.9 ATOS Book Level: 2.6 AR Interest Level: LG AR Points: .5 AR Quiz: 124350EN Lexile Measure: 480 Lexile Code: AD (Adult Directed).