1973. Ninth Edition. 313 pages. This is an ex-Library book. Red photographic dust jacket over red cloth. Expected library inserts, stamps and inscriptions. Minor tanning to pages with front endpaper missing and light tanning to text block edges. Front hinge is cracked with exposed netting. Boards have mild rubbing and light bumping to corners. Soft crushing to spine ends. Unclipped jacket with visible edge wear and light rubbing. There is visible tearing to corners, edges and spine ends.