Book excerpt: Called to live in the world, but not to be of it, Christians must maintain a balancing act that becomes more precarious the further our culture departs from its Judeo-Christian roots. How should members of the church interact with such a culture, especially as deeply enmeshed as most of us have become? In this award-winning book -- now in paperback and with a new preface -- D. A. Carson applies his masterful touch to that problem. After exploring the classic typology of H. Richard Niebuhr with its five Christ-culture options, Carson offers an even more comprehensive paradigm for informing the Christian worldview. More than just theoretical, Christ and Culture Revisited is a practical guide for helping Christians untangle current messy debates about living in the world.