Discover how things are made and work with this first reference for young readers, now in paperback. Help your child take an incredible look at the way things are made and how they work with this fantastic fact-packed "How Things Work Encyclopedia", which shows and explains everything. They'll discover how the human body stays alive, what keeps a plane in the sky, why fireworks go 'bang', the amazing process that makes a plant grow, and much, much more. Full of bite-sized facts, curiosity quizzes and special weird-or-what features kids will love getting their teeth into, there 's a lot to see and explore. This title is perfect for homework or just for fun. Let your child find out more about how things work in our incredible world.