"Earthmovers are used on construction sites and to build roads every day, but what is an earthmover? Bulldozers, wheel loaders, and dump trucks are just some of the amazing mega machines young readers will discover in this text. With the ability to move, scrape, and flatten dirt, each mega machine has an important dirty job to do, and they do it well! With stunning photographs and informative, approachable text, young readers will learn more about the earthmovers they love"-- Provided by publisher.