Robert Nelson's Reaching for Heaven on Earth, Economics as Religion, and The New Holy Wars: Economic Religion Versus Environmental Religion in Contemporary America read almost like a trilogy, exploring and charting the boundaries of theology and economics from the Western foundations of ancient Greece through the traditions that Nelson identifies as "Protestant" and "Roman," and on into modern economic forms such as Marxism and capitalism, as well as environmentalism. Nelson argues that economics can be a genuine form of religion and that it should inform our...