Like Thoreaus "Walden," Dale Clems account of his 40-day trek on the Appalachian Trail is part hiking journal, part religious, spiritual and philosophical meditation. Clem muses about how the landscapes he traverses reflect and inform our lives, passions, social values, darker impulses and relationship with God. Along the way, he meets a wide variety of hikers, each with their unique issues - sons in troubled relationships with their fathers, women discovering independence and courage, soldiers returning from war trying to reenter civilian life, and more. Positing that walking in nature can...