Yellowstone's 20 best hikes! The pocket-sized, value-priced guide gives complete trail description so hikers will have an easy grasp of the area's history, geology, plants and wildlife as well as backcountry geyser details. Contains USGS maps and coordinatges with Trails Illustrated full park TOPO. Buy one for yourself and another as a perfect birthday gift or stocking stuffer for friends and family. Used Book in Good Condition