"Tomorrow is Grandmonster's 247th birthday, and Tillie has a boo-rilliant idea. She's going to bake a birthday cake! But when Uncle Hairy gobbles up Tillie's near-Pierrefect Squirmin' Chocolate Cake, she rushes to bake another. SPLAT! And another. "MY CAKE!" And another. SHRIEK! Baking on her own isn't easy, and Tillie makes many mistakes, learning that with a little patience, care, and determination, she can do just about anything"-- Provided by publisher.