I haven't read those books yet but the map has definitely inspired me to do so. I'm assuming the reason for such a compact city would be explained in the books.

Upon closer inspection I see a loot of misaligned streets and textures as well as a few little empty 'holes'. Whilst I understand that such a large city would take quite some time to actually map out I feel that it is cheating to just copy and paste sections.

I really hate coming in here with the only negative opinion.