The National Football League started out as small-town teams with little support, but eventually became a major sports powerhouse by the late 1960s. The book "From Sandlots to the Super Bowl" tells the story of how the NFL struggled to gain recognition and build a fan base. The league faced challenges from other sports, government, and even itself. By tapping into civic pride and using new technologies like television, the NFL was able to grow and secure its financial future. The book covers the league's journey from its humble beginnings to becoming America's most popular professional sport.