Who doesn't like a map in a Fantasy novel? There's something about it that makes an imagined world seem more real. It's there, at the beginning, before you've even read a word of story, teasing what lies within.
When I started writing He Who Fights, I didn't draw a map and that was probably a mistake. I think it was only on the second draft that I finally sat down at my then agent's request and worked out where everything was exactly. And then, when I actually finished HWF, I drew it once more - with a bit more love and care.
This is the world that lived inside my head for nearly two years: