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. How, in a boat that only holds 100 pounds, can a boy transport himself, a dog, and assorted gear that weigh much more than that? With engaging stories that connect math to kids' everyday lives, each...