1957. Third Edition. 39 pages. Pictorial dust jacket over blue cloth. Colour 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. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Small areas of loss to spine ends. Light tanning to spine and edges. Light foxing overall.