Mark Worthing is an award-winning author whose most recent books include Graeme Clark. The Man Who Invented the Bionic Ear (Allen&Unwin, 2015); George MacDonald's Phantastes, (Stone Table Books, 2016); Narnia Middle-Earth and the Kingdom of God (Stone Table Books, 2016); What the Dog Saw (Morning Star, 2017); and Martin Luther. A Wild Boar in the Lord's Vineyard (Morning Star, 2017). Mark lives in the Adelaide Hills with his family.