剧情简介：Gerald is careful. Piggie is not. Piggie cannot help smiling. Gerald can. Gerald worries so that Piggie does not have to. Gerald and Piggie are best friends. In Listen to My Trumpet! Piggie can't wait to play her new instrument for Gerald! But is she ready to listen to his reaction?
作者：Mo Willems
出版社：Disney-Hyperion
ISBN：9781423154044
