 By the middle of 2010, Martin had already finished five chapters of "The Winds of Winter" from the viewpoints of Sansa Stark, Arya Stark, Arianne Martell, and Aeron Greyjoy, coming to around 100 completed pages.After the publication of "A Dance with Dragons" in 2011, Martin announced he would return to writing in January 2012.He spent the meantime on book tours, conventions, and continued working on his "The World of Ice & Fire" companion guide and a new "Tales of Dunk and Egg" novella.