1951. Fourteenth Impression. 160 pages. Illustrated dust jacket over blue cloth boards with lettering. Contains black and white illustrations. 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. Pen markings to front free endpaper. 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 light edgewear with tears and creases. Moderate tanning to flaps, panels and spine.