**Barry Mault **is a prominent member of the International Guild of Knot Tyers (IGKT). His main interest is in practical knots, although he also works with parachute cord, making small decorative items.William Potteris a talented and versatile author of children's and adult non-fiction and comic boo...

**Barry Mault **is a prominent member of the International Guild of Knot Tyers (IGKT). His main interest is in practical knots, although he also works with parachute cord, making small decorative items.William Potteris a talented and versatile author of children's and adult non-fiction and comic books. He specializes in writing clear, easy-to-understand science and history books. The consultant,David Baugh , is a retired chemical engineer from Oklahoma, USA. He has been a member of the International Guild of Knot Tyers for over 15 years. He enjoys knotting projects such as macramé and creating knotted necklaces, bracelets, bell pulls, and name tag lanyards.