1957. Third Edition. 362 pages. No dust jacket. This is an ex-Library book. Green cloth boards with gilt lettering. Contains black and white illustrations. Book has been rebound by library, with expected inserts, stamps and inscriptions. Moderate crinkling to paper at gutter. Clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Hinges reinforced with tape. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Slight crushing to spine ends. Gilt lettering is bright and clear. Minor sunning to spine and edges. Book has a slight forward lean.