Leisure Arts 99 Granny Squares to Crochet eBook- There is no limit to what a granny square can become. Give a different look to every creation with these 99 fresh patterns to choose from. Includes stitch guides, general crochet information, and step-by-step instructions for each square. Each can be worked up using US size 4 worsted weight yarn, 3 fine baby yarn, or 6 chunky yarn.