1948. Fourth Edition. 183 pages. Pictorial dust jacket over blue cloth with gilt lettering. Contains black and white photographic plates. Pages are lightly tanned with mild foxing to endpapers and text block edges. Pencil inscription to front free endpaper, with a few small nicks and rub marks along text block edge. Occasional thumb-marking present throughout. Plates are bright and clear, with slight tanning to edges. Boards have light shelf-wear with minor corner bumping and mild crushing to spine ends. Boards are notably bowed. Faint tanning to spine, with insect damage to lower edge. Clipped jacket has moderate surface wear, with chips, tears and creasing to edges, corners and spine ends. Loss to lower edge due to insect damage. Lightly tanned, with small dark spots to front.