<p>A.J.'s family rented a beach house for the summer, and you'll never guess in a million hundred years who rented the house next door. Well, you have to read the book to find out. So nah-nah-nah boo-boo on you!*</p> <p>*Okay, okay, it's Andrea and her family. And she has a monster crush on Mr. Sunny, the hunky (but weird) lifeguard. Ooooh! When are they gonna get married?</p>