Get a load of just some of the recently unearthed gold in this volume: 1. Jack Johnson’s “Biceps Punch.” 2. Gentleman Jim’s Not-Quite-a-Jab. 3. Joe Louis’s “Attacking the Buckler” strategy. 4. Gunboat Smith’s devastating “Occipital Punch.” 5. Bare-knuckle legend Jack Slack’s “Chopper.” 6. The real deal on how Jack Dempsey built the power in that Lead Hook. 7. “Hurricane” Jackson’s wild “Scoop Punch.” 8. How Joe Frazier built his eccentric defensive rhythm.