Cozy Shawls & Scarves Book- Warm Up with 7 Stylish Crochet Wrap Projects. Wrap yourself in warmth with fashionable shawls. These easy to intermediate designs use Medium weight #4 yarn, Bulky weight #5 yarn, and US size I and J crochet hooks. Toxaway Shawl features a unique technique similar to broomstick lace using a 12" ruler. 48 pages in a soft cover.