1968. 7th Impression. 518 pages. Pictorial dust jacket over blue cloth. Colour illustrations throughout. Severe cracking to hinges causing boards to be loose. Pages and illustrations have light tanning and foxing throughout. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light sunning to spine and edges. Light foxing to inside panels.