On the first day of school, a young boy expects only the worst when he discovers that his new teacher is the "monstrous" Mrs. Green.

After relating all of the horrible things the school custodian, Fester Smudge, is known to have done, a student whose locker won't open needs Mr. Smudge's help.

A boy contemplates all the horrible stories he has heard about the art teacher, Krayolla Swamp, the strange things she has in her classroom, and how she expects her students to express themselves.

When a boy hears that a noted bully known as Butch Pounder is tranferring to his school, he is afraid of the trouble that Butch will cause.

Mrs. Green is out sick and Hubie's class is going to have a sub! The students are ready to party all day...until they meet Mr. Frank N. Stein! Join Hubie once again as he faces his comically horrific fears during his first class with a substitute teacher. Featuring a nine-foot-tall teacher who crashes through walls and hurls students into outer space, this story is sure to amuse and quell fears of new experiences at the same time!