Reformed theology is covenant theology. The label fits because nothing stands closer to the center of Reformed thinking than this: that God, in sovereign grace, has bound himself to sinful men through his Son, the Lord Jesus Christ, the one mediator of the covenant.

Covenant theology is not one doctrine among others but that which holds the whole Biblical revelation together. It pervades every article of the faith, shaping how the church reads Scripture, administers the sacraments, understands salvation, and anticipates the age to come.

In this volume, Dr. Walker traces the doctrine of the covenant across the canon of Scripture and through the long tradition of Reformed theological reflection, drawing on some of the church's most formative thinkers. His aim is neither to write for specialists alone nor to oversimplify for the sake of accessibility, but to make a rich and historically grounded doctrine available to every serious reader of God's Word.