The early church received the Scriptures of Israel as Christian Scriptures and did not change them. The older testament was received as a witness to God, and when a newer testament emerged, the older was not dismissed, harmonized, or edited. Rather, the church moved forward with a two-testament witness.

Christopher Seitz, an internationally renowned expert in canonical interpretation, illuminates the two-testament character of Scripture and its significance for the contemporary church. He interacts critically with current interest in the New Testament's use of the Old Testament and...