1957. Reprinted. 255 pages. Illustrated dust jacket over red cloth boards with gilt lettering. Contains black and white diagrams and plates. Slight crinkling to paper at gutter. Clean pages, diagrams and plates with noticeable tanning and foxing throughout. Tightly bound with faint thumb marking throughout. Moderate tanning to free endpapers due to dust jacket flaps. Minor loss to front free endpaper. Pencil markings to front free endpaper. 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.