1966. 4th impression. 159 pages. Pictorial dust jacket over gray cloth and red lettering. Contains black and white illustrations. Binding remains firm.Pages are moderately tanned. Boards have light edge-wear with slight rubbing to surfaces and spine is presentable with minimal crushing and tanning. Boards are heavily bowed. Clipped jacket. Jacket has heavy edge-wear with some areas of loss, heavy tears, chips and creasing. Loss to jacket's spine ends.