Originally Posted by Spidey-Bat
I think he's going to move on from the ASOIAF world once he's finished. He has that contract with HBO to keep him busy, too.
Well look at him now. He is writing stuff for the HBO show including books, and he is doing map and history books about the book series for Bantam publishing. Id say he will be doing this for a long time especially at the rate he is going. Plenty of time to offer more info on the larger world.