Discover Math Matters! With over 15 million books sold worldwide, this award-winning series of easy-to-read books will help young readers ages 5-8 approach math with enthusiasm. Great for fans of MathStart or Step into Reading Math. Jill uses a map to help keep track of the places where her dog Bingo has been burying his bones! But can she save them from being taken by Hulk the Cat? With engaging stories that connect math to kids'...