1956. Second Edition, Revised. 511 pages. Beige dust jacket over blue cloth. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout, heavier to endpapers and pastedowns. Cracking to hinges with exposed binding. 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. Unclipped jacket has moderate edge wear with chips, tears and creasing. Scuffing and light marking overall. Moderate tanning to spine and edges.