1962. Sixth impression. 152 pages. Pictorial dust jacket over green cloth. Black and white illustrations throughout by Carl Burger. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. Some mild marks to surfaces. Unclipped jacket has heavy edge wear with tears, chipping and creasing. All surfaces heavily tanned, particularly spine.