A boxer's workout is a fantastic way to burn calories--it is engaging, exhilarating, and effective. Going beyond jumping rope and punching the heavy bag, this guide describes intermediate and advanced boxing skills that will help anyone improve their performance in the ring. This boxing workout will help develop body and character so that athletes can get into the best shape of their lives, build self-confidence, and be winners in and out of the ring.

Doug Werner is the author of the 12-book Start-Up Sports series that includes guides on surfing, snowboarding, sailing, in-line skating, bowling, longboarding, golfing, fencing, backbacking, and skateboarding. He lives in San Diego, California. Alan Lachica is a certified USA Amateur Boxing coach and the owner of Cross Boxing. He lives in La Jolla, California.