&ldquoStories in Kabul begin with the phrase &lsquoYeki bood, yeki na bood&rsquo. There was one, there was no one,&rdquo writes Taran N. Khan. Her story in Shadow City is similar. Walking around and exploring a city isn&rsquot an unknown concept, neither is it new. But a woman walking around post-Taliban Kabul isn&rsquot something you come by every day. And yet, Khan did it daily, and for years.