Marguerite of Navarre, Jeanne d'Albret, Catherine of Aragon, Catherine Parr, and Elizabeth I - these are a few of the courageous women who used their political influence to promote religious reform during the chaotic days of the Reformation in France and England. In a warm and personal style, renowned historian Roland Bainton opens up the lives of these significant women who devoted their lives to the cause of religious reform.