The First Encyclopedia: How Things WorkTwo Cans How Things Work introduces children to the world through workings of things he or she uses every day, from the kitchen sink to money, and how they are made, built and used. The entire book is beautifully written and illustrated with the youngest readers in mind. It contains an alphabetical index and glossary to assist in building vocabulary. This a first edition copy of the book without any damage. Easy to use A Z organization Clear text and