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!
