Self-driving cars don't need a human to guide them. Insteady have plenty of help in the form of sensors, cameras, and radar! In this fascinating title, engaging text and crisp photos show readers how self-driving cars work, how they developed, and how they are used. Added features such as a diagram, timeline, graph, and pro/con comparison highlight additional information about self-driving cars. Readers will love learning about these vehicles that may one day take over the roads!