Yarns are an integral part of any work done in the textile field - whether it be weaving, sewing, dyeing or knitting. The ply, tensile strength, weight, elasticity, water, heat and shrink resistance of yarns all have an important impact on the final result of any work. In this book the author will discuss yarns, their history, production methods, fibre content and the new advances that are constantly being made in the field. There is also practical instruction on making your own threads and yarns.