Jamie Kelly, a student at Mackerel Middle School, shares her angst in her diary over her aunt's upcoming wedding in which she is a bridesmaid, the school dance, and a taco rendezvous with the cutest boy in school.
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.
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 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 realizes that middle school is more than crazy as her love life becomes of triangle of crushes, someone gross is attracted to her, she is crushing on Hudson, and he only has eyes for "the Prettiest Girl in the World.".
Determined to be elected class president, mad scientist Frannie K. Stein uses her Atomic Combiner to create a suit that makes her seem to be whatever a voter wants her to be, but the suit has plans of its own.
Franny K. Stein is a mad scientist who prefers all things spooky and creepy, but when she has trouble making friends at her new school she experiments with fitting in--which works until a monster erupts from the trashcan.