Dig into the grit and grime of an off-road legend, the Hummer. This book covers the cool features that make Hummers some of the roughest and toughest off-road cars in the world. From the history of the car, to fast facts and awesome photos--these books have enough to keep any four-wheel enthusiast engaged. This high-interest series is written at a low readability to aid struggling readers. Books feature educational sidebars, table of contents, glossary, index, author biography, and timeline.