Diary of St. Maria Faustina By: Saint Maria Faustina Kowalska The Diary of Saint Maria Faustina Kowalska: Divine Mercy in My Soul is the book that started the message and devotion to The Divine Mercy. It chronicles St. Maria Faustina Kowalska's amazing encounter with The Divine Mercy - our Lord Jesus Christ. In it we are reminded to trust in the Divine Mercy of Jesus and seek His forgiveness. This is an inspirational book leading the reader to God's mercy. 730 pages, 4 x 7 inches