A Dance With Dragons which officially and contractually does not come out until July 12. See what he has to say about the leak here.
***Special note: George R.R. Martin will be signing his books on July 31 at 2:00 pm at our Historic Lodo store. This is a ticketed event. Tickets are available for free beginning at 9:00 am on July 12--one ticket for each A Dance with Dragons book purchased. Get more details here.