Handbook of North American Indians, Volume 13: Plains, Pt. 1 and Pt. 2

William C. Sturtevant, General Editor; Raymond J. DeMallie, Volume 13 editor.  Describes the prehistory, history, and culture of the aboriginal peoples who lived in the region of tall-grass prairies and short-grass high plains of North America.   Note: Preface indicates mistakenly that this is the twelfth volume in a 20 volume set.  2 parts in two books, sold as a set.