1969. Thirty-Fifth Edition. 1759 pages. No dust jacket. Paper covered boards. Black and white illustrations throughout. Contains numerous loose stamps. Clean pages with noticeable tanning to page edges throughout. Tightly bound with faint thumb-marking throughout. Tanning line to fore edge. Boards have light edgewear with corner crushing and notable marking to boards. Mild tanning to board edges and spine, which has mild crushing and tearing to ends. Small tear to rear joint.