Is there going to be a sequel to Withering Tights?

As far as I know there's no news on the next Confessions of Georgia Nicolson book, but Louise Rennison has written other books about a girl called Tallulah Casey (Georgia Nicolson's cousin), and there's one with them both in: a href="http://www.georgia-nicolson.co.uk/books/item-4401/" rel="nofollow"http://www.georgia-nicolson.co.uk/books/…/a