Elementary-level math becomes an exercise in humor and fun when kids open this funny cartoon-illustrated fantasy. The storyas cast of characters includes Lostis Marbles, the mayor of Mathopolis, who loves numbers but usually gets them all mixed up . . . his assistant Trusty Dusty, who helps the mayor keep track of his math mix-ups . . . Mongrel Smith, the townas stray dog . . . and math superheroes, who use different methods to solve all kinds of problems. The Superheroes are Elexus Estimator, who is quick at estimating volume, height, weight, and the like . . . and Maverick Measurer, who values accuracy above all else when making math calculations and getting answers. A mysterious character shows up in the town of Mathopolis, and the many problems that he brings with him can be solved by applying math principles. The math Superheroes show young readers exactly how. Students will be entertained by the crazy episodes even as they encounter one math word problem after another. Meanwhile, they are effortlessly learning how to think, calculate, and come up with the right answers in mathematical terms. The book is filled with black and white illustrations.