Many young children are fascinated by the huge machines they see around them. They want to know how they work and what each part of them is for. This book aims to answer these questions and many more besides. Stunning, realistic illustrations of these familiar yet intriguing machines fill every page. Labels point out and name the interesting parts of each machine, and clear step-by-step pictures explain exactly how they do their job, the reader can imagine driving a fire truck, find out how a combine harvester works and see inside the huge machine that dug the Channel Tunnel. The text is kept simple and informative so that it can be read aloud by an adult or enjoyed by young machine enthusiasts on their own.