1961. First Edition. 160 pages. This is an ex-Library book. Pictorial dust jacket over green cloth. Jacket is in plastic cover and has been taped to rear board. Expected library inserts, stamps and inscriptions. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Green ink marking to a few pages. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges. Unclipped jacket has light edge wear with chips, tears and creasing. Jacket is in plastic cover. Moderate sunning to spine and edges. Scuffing and light marking overall.