Who on Earth is God?

How should we understand the God of the Bible? How do we make sense of God''s apparently changing character in the Bible theologically? God is not obvious - unlike all the animate and inanimate objects which we can see around us. God does not appear to fulfill any useful purpose; what is God for or about? Is God just a mystery? Or a problem? Or both?

In Who On Earth is God?: Making Sense of God in...