Book excerpt: Earthmovers are huge because they were created to dig deep holes and to prepare land for new buildings and roadways. Construction companies often use them. With their large machinery and loud growls, earthmovers are hard to miss. There are different kinds of earthmovers, each built for a specific task, but they are all created to get big jobs done fast. Informative text and full-color photographs will delight budding engineers and machine enthusiasts.