Snowflakes float gently through the air. Aged cheeses add the perfect flavour to an afternoon snack. Gas stoves boil water for pasta. Each of these everyday objects contains crystals! They are in nature, in food, and in many of the appliances and electronics we use every day. This title explores the ins and outs of crystals, from how they are structured and how they form to how we use them. Special features such as a crystal profile, an activity, and several formation diagrams help readers understand the complex world of crystals!