1968. Fourth Impression. 260 pages. Illustrated dust jacket over blue cloth boards. Gilt lettering. Contains black and white plates. Clean pages and plates 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. Moderate tanning to interior flaps, panels and spine. Visible wear and water marks to spine and panels.