Leisure Arts Dynamic Designs Crochet eBook- Eye-catching geometric patterns in today’s hottest home decor colors characterize 8 dynamic crochet afghans by Melissa Leapman. Designed for intermediate skill Level , each is made using worsted weight yarn and a size H 5.00 mm hook. Projects include: diagonal stair steps afghan, greek key afghan, interlocked stripes afghan, neutral stripes afghan, ribbon stripes afghan, shadow stripes afghan, tile afghan, and interlocked keys afghan.