A practical introduction to a major movement in the liberal church, Most Like an Arch is a groundbreaking study of the context, theory, and realities of global congregation-to-congregation relationships. Drawing on his six years of engagement in building sister church programs, the author presents partnerships as social justice initiatives, guides the reader through minefields of power, money, and paternalism, and focuses on the efforts of Unitarian Universalist congregations to establish and sustain connections with historic Unitarian churches in Transylvania.