Editie in limba engleza \n \n Content: \n PART I. Left-Behind Children in Mid-West China Chapter 1. Impact Study of Rural Labor Migration \n PART II. Left-Behind Children in the Research Communities Chapter 2. Survey on the Left-behind Children in Dasha Village, Liushu Township, Xixiang County, Shaanxi Province Chapter 3. Survey on the Left-behind Children in Xinglin Village, Chunlin Township, Pucheng County, Shaanxi Province Chapter 4. Survey on the Left-behind Children in Cuijiapan Village, Jialu Township, Jiaxian County, Shaanxi Province