1971. Reprint. Unpaginated. 4 paperbacks with pictorial paper covers. Pictorial slipcase. Contains black and white illustrations throughout all. Pages and bindings 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 items. Pen marks to first pages, with inscriptions to reverse side of front covers. Paper covers have minimal edgewear, with minor curling to corners. Spines are slightly creased, with mild scuffing to ends. Slipcase has light edge wear with mild corner bumping and scuffing to edges. Slight marking to panels. Some inscriptions to panels also. Mild tanning to inside.