Knitting book has Wills and Kate in stitches

The bride's dress, it can now be revealed, is made of wool. So are the groom, the guests and the royal corgi.Amid the acres of souvenirs, memorabilia and merchandise produced to mark the wedding of Prince William and Kate Middleton, one surprise success is "Knit Your Own Royal Wedding," a stitch-by-stitch guide to creating the April 29 event out of yarn.The book has sold 50,000 copies and been thr