"Describes what life would be like without glass."-- "A world without glass is practically unimaginable. You use glass from morning till night every day, from the mirror you look in when you wash your face when you wake up to the lightbulbs that light up your home after dark. Read all about how glass is used to store food and beverages, create all kinds of electronic gadgets necessary to modern life, and even keep us warm in our homes,"--back cover....