1949. Seventh Edition. 396 pages. No dust jacket. This is an ex-Library book. Grey cloth boards with gilt lettering. Expected library inserts, stamps and inscriptions. Slight crinkling to paper at gutter. Clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. 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.