In 1885 a genteel New England girl traveled to the western frontier to open a school on the Great Sioux Reservation. For six years, Elaine Goodale Eastman taught, hunted with, and lived among the Lakotas, who were experiencing profound changes as buffalo herds dwindled and they were forced to adjust to reservation life. Her informative and sometimes poignant recollections of those years tell much about the daily lives of the Lakotas and how they grappled...