`My favourite book about the wilderness\' Cheryl Strayed, author of Wild In this shimmering masterpiece of American nature writing, Edward Abbey ventures alone into the canyonlands of Moab, Utah, to work as a seasonal ranger for the United States National Park Service.. `My favourite book about the wilderness\' Cheryl Strayed, author of Wild In this shimmering masterpiece of American nature writing, Edward Abbey ventures alone into the canyonlands of Moab, Utah, to work as a seasonal ranger for the United States National Park Service.