he Church of the Revolutionary Age: A Fight for God is the ninth installment in Henri Daniel-Rops' outstanding History of the Church of Christ. This volume surveys (1) the dismal spiritual atmosphere produced in large part by Nietzsche and Marx, and the irreligious and totalitarian menaces to which it gave rise; (2) the life of the Church in this violent new age, and the four great popes who led the charge to combat its evils and...