1956. Sixth Edition. 383 pages. No dust jacket. Brown cloth. Pages are lightly tanned and foxed throughout. Some minor pen underlining to a few pages. Previous owner's inscription to front free endpaper. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Dark rubbed marking to surfaces with some water staining. Light tanning to spine and edges. Book is slightly bowed and forward leaning.