The fourth in a series of five Bible class studies on the Lutheran Confessions in The Book of Concord. After an opening chapter of historical introduction and explanation of the word "catechism." nine chapters are devoted to the study of the five chief parts of the catechism. The final chapter cover confession and absolution, the sixth chief part as we know it, prayers for various occasions, the table of duties and ministerial acts. Questions for further study and discussion for each chapter are at the end of the book. 29 pages.