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. It was never just an innocent treat; sugar has had an effect on everything from our bodies to our economies to our cultures. This reader explores our obsession with sugar. 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!