Runner's World delivers the most comprehensive guide to marathoning and half-marathoning by acclaimed Boston Marathon winner, Amby Burfoot Marathon and half-marathon participation is exploding, with the number of marathon finishers up 10 percent and half-marathon finishers up 32 percent over the past 5 years. And, while there have been other books on marathon training, nutrition, and racing, none of them comes backed with the authority of Runner's World and the firsthand experience of a Boston Marathon winner. Now, in what is sure to be a runner's instant go-to guide, Runner's World veteran Amby Burfoot brings novice and experienced marathoners cutting-edge marathon and half-marathon training advice, nutrition guidelines, gear recommendations, and racing rules. Runner's World Complete Book of Marathoning and Half-Marathoning will be the guide marathoners turn to again and again to make the most of their next 26.2 (or 13.1) miles. AMBY BURFOOT is editor-at-large for Runner's World, winner of the 1968 Boston Marathon, and author of four books, including Runner's World Complete Book of Running and The Runner's Guide to the Meaning of Life. He lives in Emmaus, PA.