Alister McGrath is the Andreas Idreos Professor of Science and Religion at Oxford University, and Fellow of Harris Manchester College, Oxford. After initial academic work in the natural sciences, Alister turned to the study of theology and intellectual history, while occasionally becoming engaged in broader cultural debates about the rationality and relevance of the Christian faith. He is the author of many academic and theological works, as well as the bestselling The Dawkins Delusion and, most recently, his acclaimed C. S. Lewis - A Life.
Joyce Meyer is the bestselling author of more than 100 inspirational books, including The Power of Simple Prayer, Approval Addiction, Power Thoughts and Battlefield of the Mind. Joyce's 'Enjoying Everyday Life' radio and television programmes are broadcast around the world, and she travels extensively conducting conferences.