On Land

It used to take a very long time for people to travel over land from one place to another. Today, the latest cars and even high-speed trains get us from place to place quickly and safely. Readers are invited to trace the development of land transportation methods in this high-interest volume that combines social studies and STEM topics. As readers learn about the history of traveling across the land, they also discover the technology that pushed this kind of transportation forward. And then...