The vision experiences of one man -- a Dakota chief and healer -- would profoundly affect the lives of four generations of the Deloria family. That man was the author's great-grandfather. In this book America's foremost Native American writer and scholar tells of the moving struggle of his family to preserve integrity, sacredness, and a sense of purpose in a time when their way of life was under assault by the juggernaut of U.S. westward expansion.