To this sometimes enthusiastic, sometimes dutiful subscriber, Christopher Beha was the best editor of Harper’s Magazine since Lewis Lapham. An accomplished critic and novelist, Beha turns inward in his latest book, Why I Am Not an Atheist: The Confessions of a Skeptical Believer, to tell the story of his journey from Catholicism to atheism and back. It’s a smart, provocative, and surprisingly timely addition to a very old genre.

Ash Carter: Why did you decide to write this book, and who is it for?