Stuart J. Murphy travels all over the UnitedStates talking to thousands of kids. And you'll never believe what they talk about: MATH! Stuart shows kids that they use math every day -- to share a pizza, spend their allowance, even sort socks. Stuart writes funny stories about math -- and if you read his books, you'll start to see the fun in math, too. Hamster Champs With a few blocks, a board, and a protractor to measure the angles, the hamster champs have built a ramp that lets them fly high! But will this stunt be good enough to outwit Hector the cat?