Flannery O'Connor and Fyodor Dostoevsky shared a deep faith in Christ, which compelled them to tell stories that force readers to choose between eternal life and demonic possession. Their either-or extremism has not become more popular in the last fifty to a hundred years since these stories were first published, but it has become more relevant to a twenty-firstt-century culture in which the lukewarm middle ground seems the most comfortable place...