1924. No edition remarks. 98 pages. No dust jacket. Brown boards with gilt lettering to spine and front. Black and white illustrations and photographic plates throughout, along with some charts near end. Binding remains firm. Crinkling to gutters. Thumb marking present. Pages, illustrations and plates are moderately tanned throughout. Previous owner's inscription to pastedowns and front endpaper. 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. Gilt lettering is darkened to spine. Front is bright and clear.