Aliens: Is Anybody Out There? Low Intermediate Book with Online Acces

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. Are humans alone in the universe, or is intelligent life out there somewhere? Find out how people throughout the years have explored this age-old question. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!