A.J. and the Ella Mentry School gang learn some unusual self-defense moves from a wacky teacher who thinks he is an action hero -- Publisher.

When a British student-teacher arrives, A. J. and his friends wonder if her all-black clothing and love of blood sausage mark her as a vampire, while Mr. Granite simply hopes her musician-boyfriend will stay away long enough for a math lesson.

When the students of Ella Mentry School receive a million-dollar donation and vote to create an in-school, state-of-the-art TV station so the morning announcements can be broadcast to all the classes, A.J. and the gang wonder about the agenda of their new teacher, Ms. Cuddy, who decides the announcement ratings are too low and has some quirky ideas about how to increase the station's popularity.

Ella Mentry School's newest teacher, Mrs. Lizzy, has some very strange ideas about learning during recess.

When Ella Mentry School is threatened with closure due to budget cuts, A.J.'s new speech teacher, Miss Laney, comes up with a brilliant, if weird, plan to save the day.

With guidance from Miss Brown, a teacher who is an expert on creativity, the third grade class at Ella Mentry School builds a car and a bridge to compete in a Brain Games competition against Dirk School.

Mrs. Yonkers, the computer teacher, is the nerdiest teacher in the history of the world. She can type with her feet! She buys foam cheeseheads off eBay! She even puts a Webcam on a turtle! Is she trying to take over the planet?

It's Presidents' Day! And Mr. Macky, the reading specialist, actually expects A.J. and his friends to read stuff about the presidents! Not only that, but he lives in a log cabin and thinks he's Abraham Lincoln! Is he for real?

"A.J. and the gang at Ella Mentry School are in for a super surprise when a new teacher, Mr. Cooper, takes over their third grade class"--

New third grade teacher Mr. Granite has so many strange ideas about how to make Ella Mentry School environmentally friendly that the students are sure he must be an alien.