In the history of men's and women's modern tennis, only 38 players have earned the No. 1 world ranking since computer tabulations were introduced in the early 1970s. This colorful book recalls those 38 superstars in a collection of photos, narrative and statistics that stands as a history of the modern game. Among the featured athletes are Jimmy Connors, Bjorn Borg, Andre Agassi, Roger Federer, Chris Evert, Martina Navratilova, Steffi Graf and Venus and Serena Williams.