Mario Andretti and A.J. Foyt had one of the longest-running car-racing rivalries, tracing back to the 1960s. But who would be named Driver of the Century? Dale Earnhardt Jr. and Casey Kahne are both fan favorites. But which driver has been voted Most Popular Driver eleven times? Young racing fans learn the answers to these questions and more in Outrageous Car Racing Rivalries. With rivalries from stock car, Formula One, and Indy Car racing, there's fast-paced action for every young motorsports enthusiast!