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. Sharks aren't always as vicious as the ones you see in films Explore the myths and and learn the facts about the ocean's most famous resident. Use your unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2445. Lexile Reading Level: 830L.