1961. 2nd Edition, Revised. 128 pages. Pictorial dust jacket over green cloth. Black and white photographic plates throughout. Binding remains firm. Pages and plates are lightly tanned throughout. Pencil inscription to front free endpaper. Water staining to some pages, text remains unaffected. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light sunning and water staining to spine and edges. Light foxing overall.