Wine bottles, mirrors, light bulbs, drinking glasses, windows... glass seems to be just about everywhere, but where does it come from? What's it made of? And who figured out how to make it? This fascinating book about an everyday material explores its accidental discovery in ancient times and describes the various glass-making methods that have developed over the years. Who would have thought something so ordinary had such a rich and interesting history?

Kids are naturally curious about the world around them, and the books in the Living and Learning Encyclopedia series are the perfect way to answer their questions about everyday foods and materials. Each book teaches the history, science and technology behind the topic in the title in an unusually clear and engaging manner. In addition to the delightful illustrations, the books feature a unique, fun-to-read style where the words themselves are pictures, too! Sure to be enjoyed by children and adults alike.