00498cam a2200181 4500 547828226 TxAuBib 20210304120000.0 210303s2017||||||||||||||||||||||||und|u TxAuBib Gutman, Dan. Mr. Master is a Disaster. New York : Scholastic, Inc., 2017. 104pp : paperback. My Weirdest School 20210304. My Weirdest School.