In 1948, the Appalachian Trail had been a continuous, 2,000-mile footpath for eleven years, but no one had walked its length alone in a continuous journey—until Earl Shaffer, a quiet Pennsylvanian, became a hiking legend and the first of what is now more than 5,500 A.T. "thru-hikers," walking from Georgia to Maine as spring arrived to each area. In 1998, he hiked again as a 50th-anniversary celebration, to far greater publicity. This is the lyrical account of his fabled 1948 walk.W...