This book explains the classical Christian doctrine of God’s timelessness and defends it against contemporary philosophical criticism. The historical background and discussion of this concept is reviewed from Parmenids to the present, and particular note is made that the doctrine cannot be detatched from the various metaphysical systems in which it is embedded. The full range of major recent attempts from Karl Barth through process philosophy, to the work of Stump and Kretzmann are examined and rejected as inadequate to deal with this problem. A break-through is found in the concept of a non-temporal causation. Each chapter contains a conclusion and a summary.