They're big. They're loud. They're dirty . . . they're garbage trucks! These big beasts drive by homes and businesses to pick up trash that has been placed in garbage cans. Some have a compactor big enough to smoosh the garbage together. Some have robotic arms that swing down and pick up garbage cans and dump them into a hopper on the truck. Readers will gain an understanding of how garbage trucks work through amazing photographs and manageable text.