The churches whose liturgies appear in this chapter mark the twentieth-century ecumenical reformation. Bom from concerns of mission, the ecumenical movement represents a considerable challenge to inherited ways of “being church”. The healing of old wounds and the mending of fences is a slow and laborious business, and ecumenical enthusiasts (some of whom do not seem to understand the size of the project) can become impatient and even despairing at the pace of change.