1972. No edition remarks. Unpaginated. Pictorial slipcase. Paperback books with pictorial cover. Black and white illustrations throughout. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Paper covers have mild edge-wear with light rubbing and creasing. Some light marking and tanning. Slipcase has moderate edge wear with marks on panels and scuffing to edges.