 "A Dance with Dragons" reached the top of "The New York Times" bestseller list on July 31, 2011.Unlike most other big titles, the fifth volume sold more physical than digital copies early on, but nevertheless, Martin became the tenth author to sell 1 million Amazon Kindle e-books.All five volumes and the four-volume boxed set were among the top 100 best-selling books in the United States in 2011 and 2012.