Across the Border (Orphan Train bk 4)

Life on the Rush farm in South Dakota is not easy. Even so, over the past four years, Ethan Cooper and his siblings have grown to feel they belong with their adoptive family.Then Chad Rush makes an unexpected announcement. The family is moving again-this time to Mexico! Ethan is scared. What dangers will they face in another country? What will it be like to live on an oil homestead instead of a farm? And what about his dreams of getting an education?