James A. Beckford is Professor of Sociology at the Department of Sociology, University of Warwick. His previous publications include The Trumpet of Prophecy. A Sociological Study of Jehovah's Witnesses (1975), Cult Controversies. The Societal Response to New Religious Movements (1989), Religion and Advanced Industrial Society (1989) and Religion in Prison. 'Equal Rites' in a Multi-Faith Society (with S. Gilliat, Cambridge, 1998).