The students in Miss Mackle's third-grade class enjoy a day of Halloween surprises, including Harry's unusual costume.

When Sid, his annoying third-grade classmate, ruins Song Lee's origami praying mantis, Horrible Harry plots triple revenge on the troublemaker.

Ruby and Mia are total opposites. Ruby is a little awkward, not a "joiner," and loves to write poetry. While Mia is type A, popular(ish), and wants to be class prez. They used to be friends. But now they have nothing in common anymore...or do they?

Horrible Harry falls in love with Song Lee, and Harry's best friend, Doug, can't stand all that mush.

Horrible Harry sets out to discover who Miss Mackle is going to marry, and he takes some risky moves to be the first one to know.

Horrible Harry, the class clown of Room 2B, returns to the spotlight with the Purple People, mysterious beings that only he can see.

Live ants are coming to Room 2B, and Harry gets to take care of them when they arrive. He'll get to help the teacher transfer all the ants to their new home in the classroom where everyone can watch them. Can trouble be far behind?

"Imaginative Omar goes through the ups and downs of starting a new school and making new friends with the help of his wonderful (and silly) Muslim family"--

First published in 1909, L. Frank Baum's "The Road to Oz" is the fifth story by Baum of the magical Land of Oz and is the Dorothy's fourth visit to this special place. Baum takes the young Kansas girl and her faithful dog Toto on a circuitous journey to Oz for Princess Ozma's birthday. Dorothy begins her adventure trying to help a stranger, the Shaggy Man, find the road he seeks. They are joined on their way by a perpetually lost boy named Button...

It's almost summer vacation and the students in room 2B are having trouble concentrating on their butterfly project, until a frightening-looking new teacher comes to supervise the Suspension Room and Harry is sent there as punishment for unruly behavior.