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 to God to make the wounds invisible so as not to draw attention to herself. Only her confessor, Blessed Raymond of Capua, knew of her sharing in the...