A.J. and his friends think that Ms. Todd is the strangest substitute teacher in the world, and they decide to investigate her.

Second grade graduation turns into a full-blown spectacle when an overzealous PTA president pulls out all the stops for A.J. and his classmates on the last day of school.

The new lunch lady at Ella Mentry School, Ms. LaGrange, writes secret messages in the mashed potatoes and tries her best to get A.J. and the other students to eat healthy foods. Book #8 The new lunch lady at Ella Mentry School, Ms. LaGrange, writes secret messages in the mashed potatoes and tries her best to get A.J. and the other students to eat healthy foods.

With the peculiar Mrs. Kormel at the wheel, anything could happen on the bus ride to Ella Mentry School, as A.J. and his friends find out on the day they have to go out of their way to pick up "the nude kid."

A.J. and his fellow third-graders from Ella Mentry School, including new student Alexia, go on a field trip to the zoo, where they meet a very strange zookeeper.

On picture day at Ella Mentry School, the strange new photographer wants to turn A.J. into a supermodel and the Picture Day Zombie makes an appearance.

A.J. and his friends find out what amazing things Miss Lazar, the Super Custodian at their school, can do.

A skateboarding principal offers unusual incentives to his students to motivate them to learn more.

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

A.J. and his classmates are convinced that the new school librarian, Mrs. Roopy, has multiple personality disorder because she keeps pretending to be famous people. Mrs. Roopy, the new librarian, comes to school wearing a pot on her head! One day she thinks she's George Washington, and the next day she's Little Bo Peep! The worst part is, she doesn't even know how crazy she is! In fact, all the grown-ups at A.J.'s school seem to have something wrong...