The global phenomenon of migration--with more than 200 million people now living away from their countries of origin--poses tremendous personal, cultural, economic, and religious challenges. How can Christians and Christian churches best understand and respond to migration? What changes and challenges do today's migrations signify for the churches themselves?This brief volume, the fruit of extensive expert consultation and research, offers invaluable insights into the biblical and theological dimensions of migration, its effect on how we understand church itself, and the many ways in churches can embrace the new reality in which the "other" is now my neighbour.