How Things Are Made - From Automobiles to Zippers

Each page of How Things Are Made features informative, step-by-step text along with detailed illustrations, diagrams, and sidebars to tell the stories behind the things we sometimes take for granted but often wonder about. Did you know that Edison didn't really invent the light bulb? Or that the first bar code was on a pack of Wrigley Spearmint gum? Find out these answers and much more in How Things Are Made.