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What puts the chew in chewing gum? What makes lipstick stick? When students want the history behind products and answers to questions such as: Why was there a need? Who invented it? How is it made? How does it work? What is it made of? and more, refer them to CDs, Super Glue, and Salsa, Series 1 and Series 2. Theyll love the upbeat descriptions (1, 500 to 2, 500 words in length) of household and high-interest products, step-by-step descriptions of manufacturing processes and sidebars with fast facts. It also includes approximately 100 photographs and more than 60 illustrations and line drawings.