Machines That Build: Concrete Mixers

From bulldozers to dump trucks, concrete mixers to cranes, powerful machines are used every day to build–and destroy–many things. This six-book series introduces young readers to the fascinating world of Machines That Build. Combining basic language with a mix of colorful and historical photos, each book details how the machine works, describes its physical features and forms, and explains how people have used it throughout the years.