No Edition Remarks. 840 pages. No dust jacket. Green cloth boards with gilt lettering. Contains black and white illustrations throughout. Contains 14 folded data sheets. Volume I. Hinges are moderately cracked with exposed netting. Slight crinkling to paper at gutter. Clean pages and illustrations with light tanning and foxing to text block edges. Binding is firm throughout with minor thumb-marking. Heavier tanning to free endpapers. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Slight crushing to spine ends. Gilt lettering is darkened. Moderate sunning to spine and edges. Visible wear marks to boards.