St. Catherine of Siena (1347 - 1380) is one of the most inspiring Saints in the Catholic Church. A mystic who vowed virginity at the age of 7 and entered the Dominican order at the age of 17, she played an influential role in ending the Avignon Papacy, traveled across Italy as an advocate for Church reform, served the poor and the sick, and called for peace between the warring provinces of Italy. She also wrote hundreds of letters to all classes of...