While on a playdate with an outgoing new friend, a nervous hedgehog finds the courage to use his imagination, in this lively, funny picture book by the New York Times bestselling illustrator of Ordinary People Change the World. It doesn't take much for Henry, an introverted young hedgehog, to roll up into a tight ball of anxiety. And now he's on a nerve-wracking playdate with a new neighbor, a very energetic chipmunk named Chester...