1951. New Edition. 162 pages. Pictorial dust jacket over blue cloth. Ex-Libris plate stuck to front free endpaper. Black and white illustrated frontispiece with photographic plates throughout. Binding remains firm. Pages and plates have light tanning and foxing throughout. Heavier to endpapers and pastedowns. Previous owner's inscriptions to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Light tanning to edges. Tear to cloth to top edge of rear board. Dent to front board. Boards are slightly warped. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Areas of loss to spine ends. Light tanning overall, heavier to spine. Foxing overall.