Unseen Warfare: Spiritual Combat against the Passions and the Demonic realm PaperbackUnseen Warfare is one of the most enduring works of Orthodox Christian spirituality, a manual of inner struggle that has guided generations of believers toward spiritual sobriety and union with God. Originally written in the late sixteenth century by the Italian priest Lorenzo Scupoli, the book was later translated into Greek and adapted for Orthodox readers by Saint Nicodemus of the Holy Mountain, who shaped it according to the teachings of the