Disney Publishing Worldwide (DPW) announced today the creation of a new Hyperion Books for Children series by best-selling author and illustrator Mo Willems. In Unlimited Squirrels, Willems, creator of the revolutionary, award-winning, best-selling Elephant & Piggie series, is back with another breakout beginning-reader series featuring an ensemble cast of squirrels, acorns, and pop-in guests hosting a page-turning extravaganza! Each book in the new series features a funny, furry adventure AND bonus jokes, quirky quizzes, nutty facts, and so many squirrels!…