Discover the Man Who Shed Light on the World! This inspiring and informative biography chronicles the life of the legendary inventor Thomas Edison. Readers will learn about everything from Edison's childhood as an "addled" student to his reign as the "Wizard of Menlo Park," when he developed the electric light bulb, the phonograph, and many other inventions still in use today. Reading biographies is one of the easiest ways for children to get located in historical time periods. When they learn about a particular person, they are also learning about different events, ideas, and important changes in history.