   Recommended reading about creating a open world 3d person world
  I'm doing research on making a game that is 3rd person open world, and with a 22 sq mile radis Im looking for some reading that talks about adding charters and cars and truck ect.. I already found reading in the long disstance algorithm area I would like to fing out what else is need to make a gta 4 style game. Are there any books out there that are worth reading. I know this seems to be am impossible  tasks but I will love to find out more in this 3rd person open world  area. Or if anybody is kind enough they could also tell either way is greatful.   