Saint Catherine of Siena (1347-1380) is widely considered one of the greatest saints of all time. She is best known for her mystical "Dialogue" with God the Father, for which she was declared a Doctor of the Church, but her letters are also unmatched in their spiritual power and profundity. Many people do not know that St Catherine was also a stigmatist, bearing the wounds and suffering the passion of Christ for the salvation of souls. She prayed...