Learn to graph while following the growth of T.J., an orphaned Siberian tiger cub who is hand-raised at the Denver Zoo. T.J. is a Siberian tiger cub born at the Denver Zoo. One day he stops eating. The zoo staff tries to tempt him with treats, but he refuses them all. The staff doesn't give up, and finally their love and persistence pay off. T.J. grows up to be a huge, healthy tiger. The delightful pictures of T.J. and the heartwarming story of his life will charm young readers as they learn the basic math skills of graphing in Tiger Math by Ann Whitehead Nagda and Cindy Bickel. Those who like storybooks can read just the right-hand pages of this book. But those who want to know more can use the graphs on the left-hand pages to see exactly how T.J. grew.