 In December 2011, Martin posted a chapter from "The Winds of Winter" from the viewpoint of Theon Greyjoy; several other chapters have been made public since.Four hundred pages of the sixth novel had been written , although Martin considered only 200 as "really finished"; the rest needed revising.During the Guadalajara International Book Fair in Mexico in early December 2016, Martin offered the following hint as to the tone of this book