our own john yang has the report from kabul >> reporter: best selling author khaled hossein is back ath place, enjoying a childhood pleasure, the afghan national pastime of kite flying. >> i was one of those kids flying kits when i was a kid here. >> reporter: hosseini who lives in northern california is best known for writing "the kiterunner" a novel that becam an award-winning movie. on only his fourth trip back to afghanistan since leaving as an 11-year-old boy, he's on a mission to find much-needed shelter for the country's 2.8 million displaced persons. >> they make do with so little. >> reporter: 45 families have been living in this abandoned school for as long as eight years. about 100 more are in the field behind. no running water, no electricity, no heat. sseini says it's more than just a warm place to sleep. >> a sense of dignity and a sense of belonging. a sense of cultural shame about being homeless. >> reporter: this man has been squatting here with his eight children since last year when they fled the violence. >> this is the reason i've come back to afghanistan. there's