While preparing for a 2007 thru-hike of the Appalachian Trail, Ken Sarzynski read half a dozen books on the subject, dozens of websites, blogs and journals. He had long-distance backpacked and bicycled many times and felt ready for the physical demands a 2,200 mile hike could extoll. Nothing could have prepared him for the social responsibility thrust upon him. Southbound on the Appalachian Trail is one man's attempt to answer all the questions posed to him before, during and after his thru-hike from Maine to Georgia. In a humorous way it, manages to not only assist potential thru-hikers in...