1968. Ninth Edition. 160 pages. White & green dust jacket with black lettering over blue cloth. B&W photographs throughout. Clean pages with firm binding. Minimal tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners. Notable sunning to spine and board edges. Unclipped dust jacket. Moderate wear, tear and chipping to edges and corners, with some tape repair. Minor soiling to DJ.