1956. Fourth Edition. 703 pages. Illustrated dust jacket over green cloth boards. Gilt lettering. Contains black and white illustrations. Prize plate stuck to front free endpaper. Clean pages and illustrations with light tanning and mild foxing throughout. Moderate tanning to free endpapers due to dust jacket flaps. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Minor sunning to spine and edges with crushing to spine ends. Visible wear marks to boards. Clipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tanning and wear marks to flaps, panels and spine.