Third Edition. 168 pages. No dust jacket. Blue cloth board. Contains black and white illustrations. Clean pages with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription to front pastedown. Label marks to front pastedown. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Moderate tanning to spine and edges with crushing to spine ends. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.