On the margins of the biblical canon and on the boundaries of what are traditionally called 'mainstream' Christian communities there have been throughout history writings and movements which have been at odds with the received wisdom and the consensus of establishment opinion. If one listens carefully, these dissident voices are reflected in the Bible itself-whether in the radical calls for social change from the Hebrew Bible prophets, with Jesus the apocalyptic prophet who also demanded social and economic justice for his oppressed people, or perhaps from the apocalyptic tradition's...