You hear your door come crashing down — those birthday monsters are in town! And they're going to wreak havoc in the most extraordinarily rude ways. What fun! From Boynton on Board, the 8-million-copy-bestselling series of extra-big, extra-fat, and extra-fun board books, here is BIRTHDAY MONSTERS. Featuring Sandra Boynton's lively rhyming text and inimitable illustrations, this story about a madcap crew of lovable party crashers will appeal to kids and adults alike.