1966. 6th Printing. 135 pages. Paperback book with pictorial cover. Book is in better condition than most examples of this age. Neat, clean, well bound pages with very minimal foxing, tanning and thumbing. Small inscriptions and neat labels may be present. Paper cover has mild edge-wear with light rubbing and creasing. Small tears and chipping, with heavy tanning and marking overall. Book is slightly curled.