1966. 15th Printing. 234 pages. Paperback book with pictorial cover. X201edition with unabridged textblock with 3'6 price on front cover. Clean pages with noticeable tanning and foxing throughout. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Book has a rolled spine. Minor splits to spine ends and corners. Moderate tanning and wear marks to spine and covers.