The Billion Dollar Game, Allen St John
Allen St John, a former Wall Street Journal writer, attempts to provide an overview of everything that goes into making the Super Bowl happen, with mixed results.
Tailgating, Sacks and Salary Caps, Mark Yost
If you're interested in the economic side of the NFL then this is a solid grounding.
The League, David Harris
David Harris's 1986 book shed light on the backroom tensions causing problems for the NFL.
Monday Night Mayhem, Marc Gunther & Bill Carter
The behind-the-scenes story of the creation of ABC television's Monday Night Football.
Halas by Halas, George Halas
Autobiography of the founding owner of the Chicago Bears and one of the most significant figures in NFL history.