Siren's AtlasA journey through the oceans and seas of the world in crochet. Take your crochet skills to the next level with sixty four new granny square designs. Sirens Atlas is your guide to crocheting an ocean of granny squares inspired by the colours of the high seas. Each of the sixty four patterns is a fun, new take on the traditional granny square, named after a sea, ocean or body of water around the world. Perfect for the intermediate to expert crocheter