1966. Fifth Edition Reprinted. 584 pages. No dust jacket. Red illustrated cloth boards with lettering. Contains black and white illustrations. Clean pages and illustrations with noticeable tanning and foxing throughout. Pencil writings to front free endpapers. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.