I can't comment on Game of Thrones but what about the Mars Trilogy by Kim Stanley Robinson?
Looking for books with the most in depth future. thinking in terms of game of thrones depth but science fiction. perhaps books with the best world building,
The Joe Abercrombie story is a story about Shy, our heroine from Red Country. It is the first story in the collection. It is also reprinted here: http://www.tor.com/stories/2013/11/s...oe-abercrombie
So much of McCarthy's work comes accross to me like lists of nouns and verbs intended to be read in an excessively serious voice to an expectant bookstore
And good luck with this new story idea! I wish you the most luck in getting through that worldbuilding phase! I spent probably