Amazon.com description: Product Description: 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. Surf's UP! Come learn about some of the legends of this sport, its dangers, and some of the hottest spots to catch a wave! 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!