"What's enormous, often brightly colored, and capable of carrying a lot of dirt? Dump trucks! These extra-large machines help people move dirt, sand, or other materials to or from construction sites. This book will highlight types of dump trucks and the many important jobs they help us do. Detailed but manageable text will help young readers connect STEM principles to these massive machines, and photographs will draw them into the subject matter with real-life examples"-- Provided by publisher.

Includes index.