1964. Fourth Impression. 190 pages. No dust jacket. Black and white paper illustrative boards with black lettering to spine and front. Black and white illustrations, illustrative plates and maps throughout. Binding remains firm. Crinkling to pages at gutters. Stamp mark to first title page. Pages are moderately tanned throughout. Boards have mild edge wear with slight rubbing to surfaces. There is bumping to corners and crushing to spine ends. Tanning to spine and edges causing discolouration. Lettering is darkened.