Treasure trove of hiking/camping/trails information. While this is is from 1981, the information within is still applicable. Today more areas are open and cleared for camping and hiking. This little book has elevation maps, guides, camping locations and a ton of other information kept at your fingertips while on the trail.
Good for review if you've ever given thought to hiking a portion of the Appalachian Trail (goes from Maine to Georgia and on down to Arkansas(?)