While preparing for her aunt's marriage to her school's assistant principal, Jamie Kelly still manages to document in her diary all of the stupid things her archrival Angelina does, which is most relevant because they will soon be cousins.

As their school gets ready for the annual Fun Fair, Jamie and Isabella agree to compete in the bottle toss game and to terrible consequences for the loser.

Jamie Kelly shares with her diary her excitement about the fact that students from Wodehouse Middle School will be going to Mackerel Middle School temporarily.

Jamie Kelly writes in her diary about her new jeans, which seemingly cause events that affect both her popularity and her efforts to get close to the eighth cutest boy in school, Hudson Rivers.

It is summer vacation, and Jamie, Angeline, and Isabella need money so that they can go to Screamotopia Amusement Park, but none of their money-making schemes are very profitable.

Jamie is crushing on Hudson. Someone too-gross-to-be- named is crushing on Jamie. And Hudson is crushing on . . . Princess Turd of Turdsylvania (a.k.a. The Prettiest Girl in the World). Middle school may be grim, but it's no fairy tale. And crazy doesn't even begin to cover it. Jamie Kelly writes in her diary about her crush on Mr. Prince, the new student teacher at Mackerel Middle School, and she feels certain that he is the secret admirer who is...