When Ella Mentry School holds a science fair, Dr. Snow arrives to help A.J. and his friends conduct their experiments.

The new music teacher must try to teach A.J. and the rest of his class to play well enough during their recital to impress crabby Dr. Carbles.

While sorting through difficulties in her friendship with her neighbor Margaret, eight-year-old Clementine gains several unique hairstyles while also helping her father in his efforts to banish pigeons from the front of their apartment building.

Getting a chance to choose a guest speaker at their third grade graduation, A.J. and his classmates have their minds set on the most popular singer and rapper in the world, Lil Mouse, to have the greatest graduation in the history of graduations.

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.

"It's very important for kids to learn about fire safety, and Mrs. Meyer of the local fire department has been brought in to teach the students at Ella Mentry School. But she is the weirdest safety expert in the world. She likes fire just a little too much. Will Mrs. Meyer catch on fire? Will she retire? What will transpire?" -- jacket.

A.J. and the other students at Ella Mentry School brave trick-or-treating at the school secretary's house, even though it is supposedly haunted, in order to receive the best Halloween candy.

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?

Unusual things continue to happen in the classroom on the thirtieth floor of Wayside School, which was accidentally built sideways with one classroom on each story. "Before you enter Wayside School, you should know that it's a thirty-story building with one classroom on each floor. Mrs. Jewls teaches the class on the thirtieth story. Mis Zaves teaches the class on the nineteeth story -- except there is no nineteenth story, so there is no Miss Zarves....

"A beginning reader book containing two stories featuring Frog and his friends, where the friends mistake a train for a terrible dragon and Frog rescues a baby possum after it falls into a river"--Provided by publisher.