George D. Chryssides is Research Fellow in Contemporary Religion at the University of Birmingham. He has written extensively on new religious movements: his books include The Advent of Sun Myung Moon (Macmillan, 1991), Exploring New Religions (Cassell, 1999), Historical Dictionary of New Religious Movements (Scarecrow Press, 2001) and A Reader in New Religious Movements (with Margaret Z. Wilkins, Continuum, 2006). He has contributed to numerous academic journals and edited collections.