1965. 15th Impression. 315 pages. Pictorial dust jacket over green cloth. Map illustrated endpapers and pastedowns. Black and white illustrations throughout by the author. Pages are clean overall, with mild tanning throughout. Binding remains firm. Occasional thumb-marking. Mild foxing to text block edges. Boards have slight edge wear with minor corner bumping. Mild sunning to edges and corners. Minor crushing to spine ends. Clipped jacket, 15th impression. Panels have moderate edge wear with chips, tears and creasing. Visible tanning to spine. Faint black marks overall.