Originally published in 1957, this work defends the doctrinal basis of Divine Mercy. Included is an outline of Sr. Faustina Kowalski's life as Apostle, her Diary and her Mission. Then the doctrine of Divine Mercy is considered four chapters, addressing the theological difficulties of this 'new' devotion. Sr. Faustina says that we should honor God's Mercy through "internal recollection and external penance." We are reminded that one of the beatitudes is: Blessed are the merciful; for they shall obtain mercy." For anyone who wishes to understand the Mercy of God doctrinally, this is the book to...