Mere Catholicism explains in easily accessible, non-technical language the fundamental doctrines of Catholicism. It also shows how these doctrines follow naturally from the fundamental doctrines common to orthodox Christians (“mere Christianity”). Catholicism can mystify or even repel other Christians, while its complexities can confuse Catholics themselves. Ian Ker’s stimulating book makes Catholicism come alive as the fullness of Christianity.

“Dr. Ker’s brilliant, highly readable book . . . is indispensable, not only for those who are approaching Christianity and need guidance but also for Catholics who take their own faith for granted but could not coherently explain their beliefs to unbelieving friends. No other concise survey of the Catholic faith approaches it for clarity, for completeness, or for intellectual range.”
—William Oddie
Former editor of the (London) Catholic Herald
Author of What Will Happen to God? Feminism and the Reconstruction of Christian Belief

Father Ian Ker teaches theology at Oxford University and is also a parish priest. He is the leading authority on the thought and writings of John Henry Newman, on whom he has published many books, including the definitive biography (1988, republished in 2009), as well as The Catholic Revival in English Literature, 1845-1961. Fr. Ker received his doctorate from Cambridge University.