He is an acclaimed writer and scholar, noted for his studies of Inklings C.S. Lewis ( Narnia & Beyond: A Guide to the Fiction of C.S. Lewis) and Charles Williams (The Novels of Charles Williams), as well as books including Christ the Tiger, Chance or the Dance?, Hallowed be This House, Evangelical is Not Enough, If Your Mind Wanders at Mass, On Being Catholic, The Secret of New York Revealed, and