From 1618 to 1648 Christian princes waged the first pan-European war. Brought about in part by the entrenched passions of the Reformation and Counter Reformation, the Thirty Years War inevitably drew in the Society of Jesus, or Jesuits, who stood at the vanguard of Catholic reform. This book investigates the Jesuits' role during the war at the four Catholic courts of Vienna, Munich, Paris and Madrid and the challenge to the Jesuit superior general...