[PDF] Sayjai's Amazing Crochet Pattern Collection By Sayjai Thawornsupacharoen. Sayjai has been crocheting over 30 years. This e-book contains 16 patterns written from 2009 to 2013. Included are a piggy hat, a Cheshire cat headband for the kids, flower balls to decorate the house, winter hats, scarfs and many other beautiful patterns. Sayjai is best known for her Amigurumi: the pink lady doll, monster rabbit, plus a little witch, nurse and mermaid. The patterns in this book are mostly easy, but you have to know the basic crochet stitches to read them.