There is something healthy about returning to one's roots. When it comes to evangelical Christianity, its roots are found in the soil of the sixteenth-century Protestant Reformation. Just as the Reformers protested the corrupt teaching of the Roman Catholic Church, so today evangelicalism itself is in need of a modern reformation. In What Is Reformed Theology?, Dr. R.C. Sproul offers a comprehensive introduction to Reformed theology. Simply put, it is the theology of the Protestant Reformers and the heart of historical evangelicalism.