1939. 9th Edition. 137 pages. No dust jacket. Green cloth with slipcase. Black and white illustrations throughout with photographic frontispiece. Slight cracking to gutters causing binding to be loose, however pages remain attached. Pages are lightly tanned throughout. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Slipcase has moderate edge wear with markings to panels and scuffing to edges. Tears to edges.