Geoffrey Budworth is one of the leading writers on knot tying. He created the knot identification method adopted by police forensic scientists and is a co-founder of the International Guild of Knot Tyers. Previous books include The Ultimate Encyclopedia of Knots & Ropework, The Book of Practical Knots, and Everyday Knots for Fishermen, Boaters, Climbers, Crafters, and Household Use. He lives in Kent, England. Jason Dalton has taught knot-tying and pioneer skills classes. He lives in Charlottesville, Virginia.