1972. Fourth Printing. 567 pages. Illustrated dust jacket over purple cloth boards. Gilt lettering. Clean pages with light tanning and mild foxing throughout. Minor 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 light edgewear with tears and creases. Minor loss to spine and edges. Moderate tanning and wear marks to flaps, panels and spine.