Unfininshed Reformation, The: What Unites and divides Catholics and Protestants after 500 yearsWriting in an accessible and informative style, Gregg Allison and Chris Castaldo provide a brief and clear guide to the key points of unity and divergence between the Roman Catholic and Protestant churches. Five hundred years ago, a Catholic monk nailed a list of grievances on the door of a church in Germany and launched a revolution in the history of Christianity. Today there continues to be a number of unresolved issues between the Protestant and