1966. Fifth (Revised) Edition. 183 pages. No dust jacket. Pictorial paper cover. Pages are lightly tanned and foxed throughout. Cracking to hinges with covers slightly coming away from text-block. Previous owner's inscription to reverse side of front cover. Binding remains firm. Paper cover has mild edge wear with scuffing to edges and creasing. Book has rolled spine. Light tanning to spine and edges. Mild rubbing to surfaces with curling to corners. Peeling to plastic film to edges and along spine. Stained marks to front cover.