Fifth Edition. 420 pages. No dust jacket. Red cloth boards with gilt lettering to spine and front. Black and white illustrations & illustrative plates throughout. Binding remains firm. Crinkling to pages at gutters. Pages are moderately tanned throughout. Hinges are cracked with netting exposed. Thumb marking present. Occasional foxing. 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 bright and clear. Book has a slight forward lean.