Where did travelers get their kicks before Route 66 existed? On dirt paths created by migrating animals, probably! Readers will begin their quest at humanity’s earliest roads in 4000 BC, journeying to a hypothetical future of solar power and electric cars. Readers will feel like engineers as they construct their own roads in the sky in a concluding superhighway activity. This visually rich text introduces readers to maps and other nonfiction components that will increase literary skills, making it a practical addition to any history or technology curricula.