Leisure Arts The Crochet Dude In All Caps Book- Be ahead of the pack with these crochet hats. 6 different designs give you options for every season, style, and occasion. Designs include: stocking cap, cabled tam, cabled headband, bucket, beret, and more. All projects use size 4 medium weight yarn and either a US I or H hook. Pocket size book has 32 pages in a softcover.