Publisher's Synopsis
A CANNON-BALL for a left and a thunderbolt for a right! A granite jaw, and chilled steel body! The ferocity of a tiger, and the greatest fighting heart that ever beat in an iron-ribbed breast! That was Mike Brennon, heavyweight contender.Long before the sports writers ever heard the name of Brennon, I sat in the "athletic tent" of a carnival performing in a small Nevada town, grinning at the antics of the barker, who was volubly offering fifty dollars to anyone who could stay four rounds with "Young Firpo, the California Assassin, champeen of Los Angeles and the East Indies!"