For over a century, Yellowstone National Park has been a monument to wildness in America. But long before flames swept through Yellowstone in 1988, that wildness had come under fire from encroachments that were making the park one of our nation's most commodified pieces of real estate.

For as long as they've existed, parks like Yellowstone have been the scene of some of the most intensive commercial activity in the American West. Selling Yellowstone recounts the story of such activities in our oldest park from the 1870s through the 1960s. It is the first book to examine critically the...