1967. Fourth Impression. 589 pages. Green dust jacket over green cloth. Jacket is in plastic cover and has previously been taped to boards. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout, heavier to endpapers. Occasional thumb-marking present. Brown tape staining to endpapers and pastedowns. Previous owner's inscription to front free endpaper. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Book is slightly bowed and forward leaning. Light tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Rippling to jacket and plastic cover. Dark rubbing to plastic cover.