"The CATastrophe! cats are back, this time causing even more chaos! Nine kitties are purring with excitement for Grandma Cat's upcoming visit. They're going to throw her a party with cake, decorations, and a special gift. But when frantically cleaning cats misjudge how many toys they can hide in a closet, catastrophe looms. . . . Author Ann Marie Stephens draws upon more than 30 years of teaching experience to ensure that readers absorb math while having fun in the adventure-filled CATastrophe Tale series. And Jenn Harney's hilarious and energetic illustrations capture the antics of these enthusiastic kittens.