Kenney, Daniel. The math inspectors : the case of the christmas caper / by Daniel Kenney and Emily Boever. - 3rd ed. - Minneapolis : Bakken Books, 2015. - 148 p.: ill., 22 cm. - Book Three. . 5-8. English. ISBN: 9798327236264 Subjects--Topical Terms: Mathematics.--Fiction. Dewey Class. No.: F KEN/O