1960. Eighth Revised Edition 1st Print. 576 pages. No dust jacket. Brown illustrated 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. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is darkened. Moderate sunning to spine and edges with crushing to spine ends. Minor scuffing to edges and corners. Visible wear marks to boards.