Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage. Discover the history of boxing, from the ancient Greeks to Daniel Mendoza to Muhammad Ali. Find out why this wild and thrilling sport has been entertaining us for years! Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!.