From tractors pulling plows in fields to big rigs hauling trailers across the country, readers will learn about fascinating vehicles designed to do big jobs.
This roundup of emergency vehicles not only covers ambulances, fire trucks, and police cars, but also fireboats, lifeboats, search-and-rescue helicopters, and more.
Follow the powerful story of fighter aircraft-from the earliest six-winged inventions used during World War I right up to modern supersonic stealth fighters.
