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.
Middle school student Jamie Kelly writes all the strange and sometimes not so wonderful things that happens to her or she sees during school in her diary and promises that everything she writes is as true as she wants it to be.
Jamie reveals to her diary that her worst enemy is a sweetheart, her best friend is a backstabber, and she decides to collect clothes with Isabella for a local charity.
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 Kelly reveals in her diary that she has agreed to be friends with Angeline in order to save her aunt Carol's marriage to the girl's uncle, and details the problems associated with the friendship.
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.
