Publisher's Synopsis
"When Matty hears his mommy whistle, he sets out to master the skill for himself! But he just can't seem to get the hang of it, even as he tries and tries. His mommy gives him hints and explains how it's done, but he still can't do it like she does.
Follow along as Matty goes through the ups and downs of learning something new, and discover that as long as you never give up, you can accomplish anything you set your mind to! Experience the power of determination with Matty, and earn with him the reward that follows when you persevere."
