“Tex Rickard: Boxing's Greatest Promoter” by Colleen Aycock and Mark Scott. A historical study of George Lewis “Tex” Rickard (1870-1929).
As “the Father of Madison Square Garden,” he promoted over 200 fights, including some of the most notable of the 20th century: the “Longest Fight,” the “Great White Hope,” fight, and the famous “Long Count” fight.
Along the way, he rubbed shoulders with some of history's most renowned figures, including Teddy Roosevelt, Wyatt Earp, Bat Masterson, John Ringling, Jack Dempsey, and Gene Tunney.
You can buy the book here: http://www.amazon.com/Tex-Rickard-Boxings-Greatest-Promoter/dp/0786465913