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! Aligned to Common Core Standards and correlated to state standards. Picture Books is an imprint of Spotlight, a division of ABDO.