"In the vein of Jon Krakauer's Into the Wild, a riveting work of narrative nonfiction centering on the unsolved disappearance of an American backpacker in India -- one of at least two dozen tourists who have met a similar fate in the remote and storied Parvati Valley. For centuries, India has enthralled westerners looking for an exotic getaway, a brief immersion in yoga and meditation, or in rare cases, a true pilgrimage to find spiritual revelation....