Eleventh Edition. 363 pages. No dust jacket. Green cloth boards with lettering. Contains black and white illustrations. Clean pages and illustrations with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pencil and pen markings to front free endpaper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Visible wear marks to boards.