Worms--ew! Most people find these slimy dirt-dwellers to be disgusting, but this book teaches readers how worms do essential jobs. Readers will learn about worm anatomy, habitat, and behavior, as well as the way they help soil decompose and all the benefits that come from the healthy soil they make. Information-rich text will engage readers as "Creature Clue" fact boxes deepen the reader's understanding of worms and their importance to people. A graphic organizer and eye-catching photographs help readers visualize the world of worms and make for an unforgettable learning experience.