Kline Suzy

When their teacher ends up in the hospital, the members of class 2B find a way to include her in their holiday celebration.

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.

As Valentine's Day approaches, the students in Room 2B are preoccupied with kickball and a possible wedding between Horrible Harry and Song Lee.

Miss Mackle's third graders share December holiday traditions--Christmas, Hanukkah, Kwanzaa, Three Kings Day, and Korean New Year--with each other and with Harry's great grandfather, who has just moved to a nursing home.

Doug discovers that though being Harry's best friend in Miss Mackle's second grade class isn't always easy, as Harry likes to do horrible things, it is often a lot of fun.

Inspired by his third-grade class's study of the moon, Harry announces that he is going there.

Third grader Molly is jealous of Florence's superior ice skating ability but makes an interesting discovery about teamwork when she joins the hockey team.

When Song Lee's hampster escapes from its cage in Room 2B, the class members and other students in South School become involved in the search for him.

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.

Harry incorporates his fascination with earwigs into Miss Mackle's class project of acting out a fairy tale in front of the other third graders.