Dr John Azumah is Professor of World Christianity and Islam at Columbia Theological Seminary, Decatur, Georgia, USA. John has a PhD in Islamics from the University of Birmingham, UK, and has served as the Director of the Centre for Islamic Studies and Christian-Muslim Relations at the London School of Theology. He has taught in Africa and India and is author of 'The Legacy of Arab-Islam in Africa: A Quest for Inter-Religious Dialogue' (Oneworld, Oxford, 2001), 'My Neighbour's Faith: Islam Explained for Christians' (Zondervan, London, 2008) and several academic articles on missions, Islam and Christian-Muslim relations.Professor Peter Riddell is Vice-Principal (Academic) and Dean of the Centre for the Study of Islam and Other Faiths at the Melbourne School of Theology. He was previously Professor of Islamic Studies and Foundation Director of the Centre for Islamic Studies and Muslim-Christian Relations at the London School of Theology. He has also held academic posts at the London School of Oriental and African Studies, the Hebrew University of Jerusalem and the Australian National University. His books include 'Islam and the Malay-Indonesian World' (Hurst, 2001), 'Islam in Context' (Baker Academic, 2003) and 'Christians and Muslims' (IVP, 2004).