Award-winning artist David Macaulay introduces readers to his hilarious new creations, Sloth and Sengi, inHow Machines Work: Zoo Break!Complete with a unique jacket with an interactive compound machine incorporating several of the simple mechanisms featured in the book,How Machines Work: Zoo Break! uses models and illustrations to demonstrate the technology of six simple machines: levers, pulleys, screws, inclined planes, wedges, and wheels.Follow the mad antics of Sloth and his sidekick Sengi as they try to find their way out of the zoo with the help of machines. Their efforts are brought to life through novelty elements including pop-ups, pull-outs, and lift-the-flaps, allowing readers to explore in greater depth how and why machines work. Spreads highlight the use of simple machines in everyday objects, such as scissors and clocks, mixers and whisks, bikes and brakes, while the story contains clear and simple text to engage the reader.商品除瑕疵品外，恕不接受退換貨因拍攝略有色差，圖片僅供參考，顏色請以實際收到商品為準

Caldecott Medal award winner and MacArthur fellow David Macaulay has illustrated and written over 25 books for children. His most famous work includesThe Way Things Work and Cathedral. His illustrations have been featured in popular, nonfiction books combining text and illustrations explaining architecture, design, and engineering.