Mark Worthing is pastor of Immanuel Lutheran Church, North Adelaide, Australia. He holds a PhD in the history and philosophy of science from the University of Regensburg and a Dr.theol in ecumenical theology from the University of Munich. He has lectured in Reformation church history at Luther Seminary, Adelaide, Tabor College, Adelaide, and Universitas Pelita Harapan, Jakarta. His most recent publications include Graeme Clark. The Man Who Invented the Bionic Ear (Allen and Unwin, 2015) and Narnia, Middle- Earth and the Kingdom of God. A History of Fantasy Literature and the Christian Tradition (Stone Table Books, 2016).