Jordan had said there was only to be one more book at the point he became ill, somewhere along the line that turned into three books, presumably the notes and s

Jordan had said there was only to be one more book at the point he became ill, somewhere along the line that turned into three books, presumably the notes and scenes he left to whomever was to finish the series was a bit more extensive than his original estimate. WoW is the penultimate book in the series apparently. Book 7 will be titled "A Dream of Spring" if it ever arrives...