Mr. Jack Is A Maniac!Book - 2014 | First edition
"A. J. and the Ella Mentry School gang learn some unusual self-defense moves from a wacky teacher who thinks he's an action hero"-- Provided by publisher.
Publisher: New York, NY : Harper, an imprint of HarperCollinsPublishers, 
Edition: First edition
Characteristics: 106 pages : illustrations ; 19 cm
Alternative Title: Mister Jack is a maniac!