What are rovers, and how do they safely land on and explore other planets? The answers to these questions and more are waiting for readers to discover as they explore the fascinating world of rovers. Readers are introduced to the stories of famous Mars rovers, including Spirit, Opportunity, and Curiosity. They learn who controls rovers, what discoveries rovers have made, and many other fun facts about these space vehicles. Fact boxes provide additional information, and eye-catching photographs allow readers to see rovers and the planets they explore up close.