1958. Fourth Edition. 370 pages. No dust jacket. This is an ex-Library book. Black cloth. Expected library inserts, stamps and inscriptions. Pages are lightly tanned and foxed throughout, heavier to endpapers. Light thumb-marking present. Slight cracking to gutters of a few pages. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild tanning to spine and edges. Library stickers and tape to spine. Book is slightly forward leaning.