1969. 4th Edition, Revised. 320 pages. Paperback book with pictorial cover. Seven fold-out maps. Black and white photographs throughout. Light tanning to pages and text block edges. Minor glue warping first page due to map. The binding is slightly shaky. Covers have moderate shelf-wear with bumping to edges and rubbing to surfaces. Visible crease to front cover. Moderate water stain to rear cover and spine.