1942. 6th Edition. 104 pages. No dust jacket. Blue cloth. Black and white illustrated and photographic plates throughout. Binding remains firm. Pages and plates have light tanning and foxing throughout. Water staining and tears to some pages, text remains readable. Previous owner's inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Staining to front board. Dents to top edge of rear board.