Adventures in Mathopolis Series - All books in this series Elementary-level math becomes an exercise in fun when kids open this cartoon-illustrated fantasy. The story’s 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 town’s stray dog . . . and two math superheroes, who use different methods to solve 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. A mysterious character shows up in town, and the problems he brings with him can be solved by applying math principles. The math Superheroes show young readers how—sometimes by estimating, and sometimes by making precise measurements. Students will enjoy the funny episodes as they encounter one math word problem after another. Meanwhile, they effortlessly learn to think, calculate, and come up with the right answers. The book is filled with amusing black and white illustrations. (Ages 9–12)