How to Flourish in a Fallen World, by Donald DeMarco, engages the reader in an understanding of our common human nature and the problems it faces in a culture that actively pursues, to put it in Saint John Paul II's terms, a freedom of indifference over a freedom for excellence. Dr. DeMarco's conclusion is a simple one: "We can flourish in a fallen world by taking advantage of the many gifts that are available to us while living within the truth of...