Claiming that "the belt is just an accessory," Ultimate Fighting Championship (UFC) Lightweight Champion B.J. Penn explains Why I Fight in this honest, intimate, and fascinating memoir. Written with David Weintraub, Why I Fight is an unforgettable portrait of one of the top and most recognizable mixed martial artists in the UFC and an up-close look at one of the most exciting and fastest growing sports in the world. UFC and Jiu-Jitsu aficionados—and fans of Iceman, A Fighter's Heart, and Bruce Lee's classic The Tao of Jeet Kun Do—will want to explore Why I Fight.