Self-driving cars don't need a human to guide them. Instead, they 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!