"The Opportunity Rover" is a specialized book that focuses on the Mars rover Opportunity, which serves as a robotic geologist on the red planet. Equipped with a robotic arm, multiple spectrometers, and a variety of cameras, Opportunity has collected significant data that contributes to scientific development. The book provides a comprehensive overview of the rover's mission, its technical capabilities, and the successes it achieved during its time on Mars. Notably, Opportunity not only broke all endurance records on Mars but also provided crucial evidence for the former existence of liquid water on the planet. The content is primarily based on articles from Wikipedia and other free sources, offering a broad information base. Readers gain insights into the goals and history of the Mars exploration mission shaped by the work of the Opportunity rover.