1951. 3rd Edition. 186 pages. No dust jacket. Green cloth. Black and white photographs and illustrations throughout. Binding remains firm. Pages and illustrations are lightly tanned throughout. Annotations and underlining to some pages. Previous owner's inscription to half-title page. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Slight crushing to spine ends. Ink stain to rear board. Wear marks overall.