When summer vacation is interrupted by a tropical storm, Andrea and A.J. are sent to a camp in order to prepare them for school, but once they rally the other Ella Mentry school students, they have an ending to the summer they will never forget.

Retired scientist Miss Tracy comes to Ella Mentry School to teach about the planets and the solar system and casts A.J. as Uranus in the school play.

Miss Holly, the Spanish teacher, is hanging mistletoe everywhere! That means boys will have to kiss girls. And girls will have to kiss boys. Miss Holly is taking the holidays way too far!

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

"A special guest has arrived at Ella Mentry School! Professor Pitt is the president of a local art museum and has all sorts of wacky ideas about art. A.J. thinks it's all a total snoozefest... until the piece he turns in for an art assignment gets praised as a work of genius! Suddenly, Professor Pitt is introducing A.J. as the next big thing to happen to the art world. What could possibly go wrong?"--

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.

"A.J. and the gang have been invited to attend a live taping of Uncle Fred's Funderama, a hilarious Saturday morning kids TV show full of music, games, puppets and more. Uncle Fred sings, dances, and jokes his way into his audience's hearts. But what will the kids do when they learn that Uncle Fred's childlike behavior isn't just an act? Can Uncle Fred grow up?" --Provided by publisher.

"A.J. and his friends are starting fourth grade. A new school year means a new teacher, and Miss Banks may be their weirdest one yet. She won't stop playing practical jokes on the class, and A.J. has reached his breaking point. Will he and the gang learn to not fall for their teacher's tricks? Or will Miss Banks prevail as the ultimate prankster?"--

On a cross-country vacation with their parents, visiting unusual places including The House on The Rock, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.