1960. Second Edition Revised. 144 pages. This is an ex-Library book. Pictorial dust jacket over orange cloth. Expected library inserts, stamps and inscriptions. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Brown tape staining to endpapers and pastedowns. Binding is slightly shaky. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends with small splits. Tape staining to boards. Some dark staining to surfaces. Unclipped jacket has moderate edge wear with chips, tears and creasing. Dark tape staining and scuffing overall. Dark rubbing to surfaces. Small white sticker to front panel.