Centered in God: The Trinity and Christian Spiritualityby Mark E. Powell Description Introduces Christianity's most central belief, the doctrine of the Trinity, by exploring how the Trinity shapes key aspects of Christian faith and spirituality. In the early church the Trinitarian vision of God was foundational for Christian identity, unity, and spirituality. For many Christians today, however, the trinity is viewed as unreasonable and impractical. What exactly is the doctrine of the trinity, and why is