The New York Times bestselling Cat the Cat series is now in board-book format! Kids will love making friends with Cat the Cat as she introduces you to her animal pals. This is picture book phenomenon Mo Willems at his simplest, sweetest, and funniest. This unique new series focuses on simplifying essential concepts through vibrant art, spare text, and repetition. WHO SLEEPS, CAT THE CAT? focuses on identifying creatures that are sleeping. Cat the Cat is spunky, sweet, and completely irresistible. And in signature Mo style, there is a gently funny twist at the end of each book.