Mexico City: Alianza Editorial Mexicana, 1976. Paperback. 227p., text in Spanish, a few vignette illustrations from mesoamerica and several line-maps, very good first edition trade paperback in pictorial wraps. The appended bibliography has a couple tiny pencil ticks, covers have trivial signs of handling, a clean sound very good copy. Has also a chapter on the Navajo. Biblioteca Iberoamericana.