Amelia, a young secret agent, investigates some robotic animals, an enchanting music teacher, and a pair of remarkably beautiful twin bakers with a dastardly plot, all while avoiding her nemesis, Trudy Hart.

Clementine's beloved teacher, Mr. D'Matz might be leaving for the rest of the year to go on a research trip to Egypt. The only solution, she decides, is to hatch a plan to get Mr. D'Matz back even if it means ruining his once-in-a-lifetime chance.

Mr. Docker, a new science teacher, is a crazy inventor who blows things up, uses potatoes for power, and has A.J. and his friends wondering whether science is for nerds or is the coolest subject ever.

When boring Mr. Loring retires, A.J.'s class gets a new music teacher who raps, break-dances, and thinks he has what it takes to become a famous musician.

The notorious Miss Swamp reappears at the Horace B. Smedley School, this time to shape up the football team and make them win at least one game.

"Rose is a distracted and creative soul. She does her best at school, but sometimes her mind wanders, and she answers the wrong question ... And her desk? Well, keeping her desk neat is a challenge. When it's time to make thank-you cards for a class visitor, Rose's art supplies turn her workspace--and her--into a colorful mess. But her artistic skills shine through in the gorgeous oversize card she creates. Could she possibly get a star after all?--Amazon.com....

A.J. and his friends get a Personal Digital Assistant named Miss Porter as a substitute teacher, who can order pizza and tell endless jokes, but grows power-hungry when her system is changed and tries to take over Ella Mentary School.

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.

Lilly loves everything about school, especially her teacher, but when he asks her to wait a while before showing her new purse, she does something for which she is very sorry later.

Mrs. Hartwell is taking her class on a field trip to the zoo, and because of the fiasco last time she has prepared a list of tips to deal with anticipated disasters -- but will they work?