In Their Own Words: Thomas Edison tells the exciting story of Edison's life using his laboratory notes, business records, and personal recollections. I find out what the world needs. Then I go ahead and try to invent it.With these words, Thomas Edison explains how he developed ideas and turned them into useful inventions. Although he is most famous for inventing the lightbulb, Edison is credited with hundreds of inventions. The young boy who did poorly in school became one of the most famous men in America.This exciting new biography of Thomas Edison will enlighten, as well as entertain, elementary school kids.