^ Hmm. I actually didn't know that. I wonder why that little bit of info isn't conveyed anywhere in any of the things I've seen concerning his works.
He calls the whole universe the Cosmere; look at his latest big update of projects he's thinking about and you'll see he has "Cosmere" next to a lot of them.
Pretty great. I wonder how long it'll take for him to bring it all together. At least he seems to be writing a lot faster than most of the other epic fantasy greats.