Knot-tying for the landlubber. Nylon cord, color-coded to the illustrations, is tied through the holes on each heavy-stock page, allowing the reader to practice all 24 knots right there on the premises. A unique gift, intriguing puzzle, practical tool and entertaining book... all tied up together. 24 pages. Weight 10 oz. (283 g). Printed outside the U.S.A.