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. From Egyptian pyramids to Mayan temples, from Roman statues to the English language, our world's greatest empires still influence us today. This reader examines the history and legacy of several of the most influential empires. 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!.