Fourth Edition. 156 pages. No dust jacket. Brown cloth. No. IX. Pages remain bright and clear with minimal tanning and foxing. Heavier tanning to free endpapers and pastedowns. Previous owner's inscription to front pastedown. Visible creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Some tanning to spine and edges. Small marks to boards.