Austin: The University of Texas Press, 1948. Paperback. 146p., illustrated with a fullpage line map, first edition in plain printed buff wrapsj, 10x7 inches. Cover and textblock edges mildly toned, buff spine panel neatly hand-lettered title & author, a couple of terminal leaves bear tiny dog-ears to upper corner-tips. A very good copy, UofT Institute of Latin-American Studies, IV.