Will Leo's summer vacation turn into a nightmare?It's the last day of school and Leo can't wait for summer vacation. He imagines how much fun he'll have swimming and playing baseball. But when the summer finally does start, nothing turns out like Leo planned - girls are on the baseball team, and his annoying cousin Tim won't stop following him around. Worst of all, his older sister Eleanor won't stop calling him Dogboy. Can the summer be saved?