WILLIAM EDGAR(DTheol, University of Geneva) is professor of apologetics and coordinator of the apologetics department at Westminster Theological Seminary. His books includeReasons of the Heart,The Face of Truth, andTruth in All Its Glory.K. SCOTT OLIPHINT(PhD, Westminster Theological Seminary) is professor of apologetics and systematic theology at Westminster Theological Seminary in Philadelphia. His books includeThings That Cannot Be ShakenandRevelation and Reason.