One may deplore the pathetic courage which periodically heartens Catholic writers for the task of writing against Luther, but one can understand the necessity for such efforts, and, accordingly, feel a real pity for those who make them. Rome has never acknowledged her errors nor admitted her moral defeat. The lessons of past history are wasted upon her. Rome is determined to assert to the end that she was not, and cannot be, vanquished. In the age of the Reformation, she admits, she suffered some losses, but she claims that she is fast retrieving these, while Protestantism is decadent and decaying. No opposition to her can hope to succeed.An attempt is made in these pages to review the principal charges and arguments of Catholic critics of Luther. The references to Luther's works are to the St. Louis Edition; those to the Book of Concord, to the People's Edition.This book is frankly polemical. It had to be, or there would have been no need of writing it. It seeks to meet both the assertions and the spirit of Luther's Catholic critics. A review ought to be a mirror, and mirrors must reflect. But there is no malice in the author's effort.W. H. T. Dau.