Drawing on untapped resources, exclusive interviews, and new archival research, The Pope's Last Crusade by Peter Eisner is a thrilling narrative that sheds new light on Pope Pius XI's valiant effort to condemn Nazism and the policies of the Third Reich-a crusade that might have changed the course of World War II.

A shocking tale of intrigue and suspense, illustrated with sixteen pages of archival photos, The Pope's Last Crusade: How an American Jesuit Helped Pope Pius XI's Campaign to Stop Hitler illuminates this religious leader's daring yet little-known campaign, a spiritual and political battle that would be derailed by Pius's XIs death just a few months later. Peter Eisner reveals how Pius XI intended to unequivocally reject Nazism in one of the most unprecedented and progressive pronouncements ever issued by the Vatican, and how a group of conservative churchmen plotted to prevent it.

For years, only parts of this story have been known. Eisner offers a new interpretation of this historic event and the powerful figures at its center in an essential work that provides thoughtful insight and raises controversial questions impacting our own time.