In his book Created & Creating, William Edgar offers a rich biblical theology in light of our contemporary culture that contends that Christians must engaged in culture. Dr. Edgar is Professor of Apologetics at Westminster Theological Seminary. He joins us to speak about this wonderful book. Its thesis is simple: the cultural mandate, declared at the dawn of human history, and reiterated through the different episodes of redemptive history, culminating in Jesus' Great Commission, is the central calling for humanity.