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. Thea wants one thing: to be a clever and daring detective like Samantha Sharp, the hero of her favorite books. So when the fish bowl goes missing during math class, Thea is ready to make her mark! With...