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!

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?

Get ready for a whole new look into Jeff Kinney's Diary of a Wimpy Kid! Introducing the newest Wimpy Kid author - Rowley Jefferson! Rowley's best friend Greg Heffley has been chronicling his middle-school years in 13 Diary of a Wimpy Kid journals...and counting. But it's finally time for listeners to hear directly from Rowley in a journal of his own. Rowley writes about his experiences and agrees to play the role of biographer for Greg along the way. But Rowley is a poor choice for the job, and his "biography" of Greg is a hilarious mess.

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?

A.J. thinks that nothing can possibly be as boring as a sleepover in the natural history museum. However, anything can happen when Ms. Krup is in charge. She says the dinosaur skeletons come to life in the middle of the night. Is she right?