Essential Yellowstone: A Landscape of Memory and WonderFew people have experienced Yellowstone National Park as thoroughly as Michael Yochim, a former Yellowstone ranger and guide. From visits to the park as a young boy to a career with the National Park Service, Yochim savored Yellowstone in all seasons and hiked and skied to its wildest reaches. In Essential Yellowstone, Yochim recounts his most vivid experiences in the park while deftly describing the park's natural and human history. The result is a