Cat the Cat has a slumber party with her animal friends.

Mo Willems, creator of the revolutionary, award-winning, best-selling Elephant & Piggie books, has another breakout beginning-reader series. An ensemble cast of Squirrels, Acorns, and pop-in guests hosts a page-turning extravaganza. Each book features a funny, furry adventure AND bonus jokes, quirky quizzes, nutty facts, and so, so many Squirrels. In I Want to Sleep Under the Stars, Zoom Squirrel dreams of sleeping under the night stars. The Squirrel...