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. Gillian Blease is a freelance illustrator based in London, UK. She studied Fine Art at the University of Newcastle-Upon-Tyne. Clients include The British Council, Random House Publishing and BBC Worldwide. She is a weekly contributor to the The Guardian Newspaper.