The letters cover a broad range of contemporary concerns, such as dialogue with people of other faiths and good news to the poor. They deal extensively with the question of proselytism and the church growth debate. They identify trends in world evangelization and analyze the present plight of Christian youth movements. They are ecumenical also in the sence that they articulate with courage the ambiguities in the ecumenical movement`s own transactions with evangelism.
U15005