What could be weirder than a mad science teacher who invents a car that runs on potatoes and wants to take over the world? How about a bus driver who can't even "find" the weirdest school on the planet?

Miles Murphy had it made. He lived in a great town near the ocean, he had two best friends, and most importantly, he had a reputation for being his town's best prankster. All of which explains why he's not happy to bemoving to Yawnee Valley, a sleepy town that's famous for one thing and one thing only: cows. Worse than that, Miles quickly discovers that Yawnee Valley already has a prankster - and a great one. If Miles is going to take the title from this mystery kid, he'll have to raise his game.

Forget Thanksgiving. The biggest turkey of all is running around Ella Mentry School - Dr. Carbles, the president of the school board. He is grumpier than ever and wants to fire Mr. Klutz. Will A.J. and his friends be able to save their principals job?

"Are you in a bad mood or something?" asked Rocky. "Or something," said Judy Moody. Bad moods, good moods, even back-to-school moods - Judy Moody has them all! When her teacher assigns the class the task of creating "Me" collages, it puts Judy in a cut-and-paste mood! Meet Judy Moody, her little "bother" Stink, her best friend Rocky, and her "pest" friend Frank Pearl. They're guaranteed to put you in a very Judy Moody mood... or something.

Something weird is going on! A.J. and his friends are afraid that Ms. Todd, their substitute teacher, has killed their regular teacher and is trying to take over her job. They’re going to have to do the detective work to get the goods on her. But it won’t be easy! Ms. Todd is the weirdest substitute teacher in the history of the world!