Roberto de la Maza Ramírez Mariposas mexicanas:  guía para su colecta y determinación . Mexico City: Fondo de Cultura Económica, 1993. Second edition. Colección Ciencia y Tecnología. 9681623169 302 pages. Large-format volume, measuring approximately 8.75" x 11.25", is bound in  brown paper-covered spine and boards, with black and red lettering to spine and front cover. Book is in fine condition. Binding is firm, with brightly multicolor endpapers. Interior is clean and bright. Profusely illustrated with color photographs. Dust jacket displays very light shelfwear. A landmark Spanish-language work on lepidopterology.