What has Christianity to do with power?
Why must the church remind those in authority of their responsibilities?
What can Christians do to act as the voice of the voiceless?
How can speaking of God in public help to create new structures of international justice and peace?

These are the central questions running through Tom Wright's latest book, in which he demonstrates the many ways in which faithful exegesis of scripture can throw fresh light - God's light - on the great philosophical and ethical problems of our day.