1970. 5th Impression, Revised. 47 pages. Paperback book with pictorial cover. Black and white and blue 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. Overall a good condition item. Paper cover has mild edge-wear with light rubbing and creasing. Some light marking and sunning.