1957. Revised Edition. 270 pages. Illustrated dust jacket over brown cloth boards. Gilt lettering. Contains black and white illustrations and plates. Volume I. Clean pages, illustrations and plates 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 bright and clear. Minor wear marks to boards. Unclipped jacket. Panels and spine have moderate edgewear with chips, tears and creases. Moderate loss to flap, spine and edges. Moderate tanning and wear marks to flaps, panels and spine.