Mexico D.F. Imprenta Universitaria, 1957. Paperback. 334p., paperbound in 7.5x5.5 inch plain printed wraps. Overlapping edges are a little part-worn, spine panel has light coffee splash-stains, cover bears a small sticker and a small repaired tear (clear tape overlies), inside find a generic bookplate and a Los Angeles bookseller's fiche. Paperstock is somewhat toned but not fragile; a good-only copy of the first edition. Coleccion cultura mexicana 20.