Travel, as it is known today, is quickly changing. Engineers are inventing new ways to travel that are safer to the environment and more convenient for travelers. New ideas and inventions are described and illustrated in this book. Series Information: High Interest Books have something to offer every reluctant reader. Every 48-page High Interest Book is carefully written to satisfy a young teenager's voracious appetite for knowledge. High Interest Books...where anyone can go to share in the fun of reading.