Gene Barretta, the author of Now & Ben , Neo Leo , and Lincoln and Kennedy , enters the laboratories of one of America's most important inventors, in this enlightening picture book, Timeless Thomas . What do record players, batteries, and movie cameras have in common? All these devices were created by the man known as The Wizard of Menlo Park: Thomas Edison. Edison is most famous for inventing the incandescent lightbulb, but at his landmark laboratories...