Jay Wesley Richards mounts a philosophical defense of the classical Christian doctrine of God, using the analytical tools of modal logic, engaging the thought of Karl Barth and Charles Hartshorne, and addressing the related and currently debated matters of divine simplicity and immutability. Jay Wesley Richards mounts a philosophical defense of the classical Christian doctrine of God, using the analytical tools of modal logic, engaging the thought of Karl Barth and Charles Hartshorne, and addressing the related and currently debated matters of divine simplicity and immutability. His own carefully crafted proposal upholds the historic Christian doctrine of God while critiquing some of its more stringent formulations that render God's relations with contingent creation problematic.