1949. Second Impression. 560 pages. No dust jacket. Blue cloth with gilt lettering. Contains black and white illustrated plates, with fold-out diagrams. Pages and plates are lightly tanned and foxed throughout. Light thumb-marking present. Fold-out diagrams are in good condition. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild sunning to spine and edges. Minor white marking to surfaces.