Mrs. Master Is A Disaster!Paperback - 2017
It's Grandparents Day at Ella Mentry School! Alexia's grandmother Mrs. Master makes weird inventions for a living, but A.J. and the gang come up with the weirdest invention of all. And they're going to make a bazillion dollars from it! Will they succeed? Or will their great big idea be flushed down the drain?
Publisher: New York, NY : Harper, an imprint of HarperCollinsPublishers, 
Edition: First edition
Branch Call Number: GUTMAN D
Characteristics: 105 pages : illustrations ; 22 cm