1965. 20th Printing. 192 pages. Illustrated paper cover. X235 edition with unabridged textblock. 3'6 price on front cover. Pages are heavily tanned with noticeable foxing throughout. Heavy water staining to top and fore edges textblock. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Book has a rolled spine. Visible wear and water marks to covers.