1949. Twenty-third Edition. 280 pages. No dust jacket. Green cloth boards with gilt lettering. Contains black and white illustrations. Clean pages with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription to half title page. Hinges are slightly cracked with exposed netting. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Visible wear marks to boards. Boards are bowed.