Today is Mrs. Berry’s 30th birthday. All of her students are celebrating by bringing her 30 of something. Unfortunately, Tyler Timothy forgets this until he’s on his way to school. Is there 30 of something in his backpack? No, but at least there’s an ooey, gooey, chocolate cupcake. Tyler Timothy soon discovers that cupcake crumbs may be the creative answer to his problem. And they may even help him deal with the class’s loudmouth know-it-all!