Re: A Song of Ice and Fire books
He could visit Sothoryos in one of the last two books, couldn't he? I'm certain in a video interview Martin had an interest in much smaller scale stories set in his world. There's also a TCG out based on ASOIAF, so perhaps he has become more lenient toward fanfiction or, at the least, a semi-shared world approach.
"I am for no master nor moral persuasion. I am for myself. What your yearning soul, madam, might mistake for loyalty to person or Purpose is merely a firm and, aye, principled determination to accept responsibility only for myself and my own actions." - Elric of Melnibone, The Revenge of the Rose (Elric: Swords and Roses).