Seventh Edition. Unpaginated. Red paper covered boards with lettering. Contains black and white illustrations and folded maps. Slight crinkling to paper at gutter. Clean pages and illustrations with noticeable tanning and foxing throughout. Tightly bound with faint thumb marking throughout. Heavier tanning to free endpapers. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Moderate sunning to spine and edges. Visible wear and ring marks to boards.