1964. First Edition. 189 pages. This is an ex-Library book. Blue dust jacket with white lettering over blue cloth. Clean pages. Minimal tanning to endpapers and page edges. Ex-library with usual stamps, inserts and markings. Mild wear and bumping to spine, board edges and corners. Unclipped dust jacket in protective plastic cover. Minor wear to edges and corners, with soiling to DJ. Dewy code to spine.