1947. Sixth Edition. 288 pages. Illustrated dust jacket over grey cloth boards with lettering. Black and white pictorial frontispiece. Slight crinkling to paper at gutter. Clean pages with light tanning and foxing to text block edges. Binding is firm throughout with minor thumb-marking. Moderate tanning to free endpapers due to dust jacket flaps. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing to spine ends. Lettering is bright and clear. Moderate sunning to spine and edges. Minor wear marks to boards. Unclipped jacket. Panels and spine have moderate edgewear with chips, tears and creases. Minor loss to spine and panel. Visible wear and ring marks to panels.