1964. No Edition Remarks. 178 pages. No dust jacket. Decorated grey cloth. Volume 15, Guide and Index. Contains colour in-text illustrations. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges. Some rubbed dark marking to surfaces. Light scuffed mark to front board.