How important were Sioux authors such as Charles Eastman in the opinion of the writer responsible for Black Elk Speaks? What will be the legacy of modern poetry according to the poet behind The Cycle of the West? Knowledge and Opinion offers an unparalleled glimpse into the social and literary thought of John G. Neihardt (1881 1973), one of America's most celebrated poets and authors. A wealth of little-known essays and reviews deepen and round out our appreciation for the accomplishments of Neihardt by revealing his no-nonsense opinions about noted literary figures and...