1946. Fourth Edition, Revised & Reset. 352 pages. Grey dust jacket over blue cloth boards with gilt lettering to spine. Ex-Libris sticker to front endpaper. Colour & Black and white plates to mid section. Binding remains firm. Pages remain bright and clear with minimal tanning. Boards have mild edge wear with slight rubbing to surfaces. Crushing to spine ends. Tanning to spine and edges. Gilt lettering is bright and clear. Unclipped jacket has light edge wear with minor tears and chipping. Mild rubbing and marking. Tanning to spine and edges causing discolouration.