As twenty-first-century Christians, we must relate to the world, but the question is, how do we relate to it? Some Christians are scared, others are simply bewildered, and still others capitulate to the spirit of the age. In Passing Through: Pilgrim Life in the Wilderness, Pastor Jeremy Walker presents the biblical perspective that Christians are pilgrims passing through this fallen world who must cultivate the spirit of holy separation alongside holy engagement as they serve Christ in all their interactions.