1970. Eleventh Printing. 224 pages. Illustrated paper cover with lettering. Clean pages with noticeable tanning and foxing throughout. Pen markings to reverse of covers. Textblock edges dyed yellow. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Lettering is bright and clear. Book has a rolled spine. Minor splits to spine ends and corners. Visible wear marks to covers.