Blackfoot Medicine-Pipe Ceremony: Southwest Museum Leaflets Number Twenty-One is a book written by Walter McClintock. It is a comprehensive guide to the Blackfoot Medicine-Pipe Ceremony, which is a sacred ritual of the Blackfoot people of North America. The book provides a detailed description of the ceremony, including its history, significance, and symbolism. It also includes information on the Blackfoot culture and the role of the Medicine-Pipe...