1963. First Edition. 208 pages. Pictorial dust jacket over blue cloth boards with gilt lettering. Contains black and white diagrams. Slight crinkling to paper at gutter. Clean pages and diagrams with noticeable tanning and foxing throughout. Tightly bound with faint thumb marking throughout. Moderate tanning to free endpapers due to dust jacket flaps. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing to spine ends. Gilt lettering is bright and clear. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tanning to interior flaps, panels and spine.