Essential for basic planning of any A.T. hike Culled from all 11 A.T. guidebooks Reflects all major changes from the previous 12 months Sometimes termed "the bible of A.T. hiking" because of its use in essential hike planning, each year's Data Book consolidates the basic information from the 11 official ATC guidebooks into a lightweight table of distances between major A.T. shelters, road-crossings, and features. Divided to align with the...