Giant Dump Trucks (Big Yellow Machines)

Feed the fascination with monster machines Heavy-duty vehicles are hot with kids. These titles explain their parts, construction, and uses. Detailed descriptions and photos of the inside of a cab put children in the driver's seat. A section of fascinating facts and a glossary of essential terms bring would-be operators up to speed.They carry enormous loads at relatively high speeds, work on steep grades, and turn in very tight spaces. Some even get as tall as a four-story building