POTTER CRAFT-The Knitter's Book of Yarn examines the most common fiber types preparations spins and poly combinations. And because craft is best learned by doing Parkes went to some of the most creative and inquisitive design minds in the knitting world to provide a wide assortment of patterns created to highlight the qualities (and minimize the drawbacks) of specific types of yarns. Paperback with 60 full-color photographs and 100 illustrations. Paperback: 256 pages.