In any age, humans wrestle with apparently inexorable forces. Today, we face the threat of global terrorism. In the aftermath of September 11, few could miss sensing that a great evil was at work in the world. In Flannery O’Connor’s time, the threats came from different sources—World War II, the Cold War, and the Korean conflict—but they were just as real. She, too, lived though a “time of terror.” The first major critical volume on Flannery O’Connor’s work in more than a decade, Flann...