Hit the open highway and feel the rumble of the biggest boldest trucks on the road. If you have ever waved at an eighteen wheeler zooming down the interstate this exciting journey will put you right in the driver seat. Through bright full color photographs and straightforward text you will explore the amazing world of big rigs and see how they transport massive loads across the country. As you ride along you will discover detailed labeled diagrams that show you exactly how these powerful vehicles work. There is even a fun interactive section that challenges you to make your own loud truck noises. Built specially for growing readers this guide includes a helpful glossary and tips for finding out even more about your favorite highway giants. Start your engine sound the horn and get ready for a giant adventure on eighteen wheels.