Raised in a sheltered, puritanical household in New England, Elaine Goodale Eastman (1863-1953) followed her conscience and calling in 1885 when she traveled west and opened a school on the Great Sioux Reservation in South Dakota. Over the next six years she witnessed many of the monumental events that affected the Lakotas, including the inception of the Ghost Dance religion and the fallout from the Wounded Knee massacre in December 1890. She also...