By foot, in buses, prison vans and trains, a steady stream of refugees traveled from the Greek island of Lesbos into Europe. In the autumn of 2015, award-winning writer Navid Kermani decided to accompany them on the "Balkan route." In this perceptive account from the front line of the "refugee crisis," Kermani shows how a seemingly distant world in which war and conflict rage has suddenly collided with our own. Kermani describes the situation on...