Mexico City: Alianza Editorial Mexicana, 1976. Paperback. 227p., sewn textblock with a few vignette illustrations from mesoamerica and several line-maps, softbound in trade-size 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.