the Old Testament and the twenty-seven books of the New Testament canon form a distinctive set of books that are worthy of study and synthesis. The evangelical biblical theologian fleshes out this assumption by taking a further vital step: he or she assumes that these thirty-nine, or twenty-seven, or sixty-six, books ultimately speak with a single voice. I often remind my students that we evangelicals face a special challenge in our biblical theology: to develop a theology that does full justice