1961. Eleventh Edition. 164 pages. No dust jacket. Red cloth boards with gilt lettering. Moderate crinkling to paper at gutter. Clean pages with light tanning and foxing to text block edges. Binding is firm throughout with minor thumb-marking. Heavier tanning to free endpapers. Pen markings to front free endpaper. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Moderate crushing and splits to spine ends and corners. Gilt lettering is bright and clear. Moderate sunning to spine and edges. Visible wear marks to boards. Book has a slight forward lean.