Winning a championship in the National Football League even once is a difficult task. However, throughout the history of the Super Bowl some teams have risen above the competition year after year. Great Super Bowl Dynasties looks at the teams that have dominated football's biggest game and the legacies they have left on the sport. This title features informative sidebars, exciting photographs, honorable mentions, a glossary, and an index. SportsZone is an imprint of Abdo Publishing Company, a division of ABDO.