1937. 7th Edition. 304 pages. No dust jacket. Blue cloth. Black and white illustrated plates throughout. Slight cracking to gutters causing binding to be loose, however pages remain attached. Pages and plates are lightly tanned throughout. Heavier to endpapers and pastedowns. Previous owner's inscriptions to front pastedown and endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Dent to front board.