divine mercy in my soul-diary of sister m. faustina kowalska  read the book that ignited the divine mercy movement in the church! the diary of saint maria faustina kowalska, divine mercy in my soul, is the book that sparked the divine mercy movement. it now has more than 1,000,000 copies sold to date. it is a book for every catholic's library - one that many will want to keep next to their bible for constant insight and inspiration. the diary is an amazing narrative that chronicles the experiences of a simple, uneducated polish nun who received a special call shortly before the outbreak of world war ii. our lord appeared to her and instructed her to spread the message of his divine mercy to all, especially in our current age which is full of so much distress and worldliness. the message of the divine mercy is simple. it is that god loves us all of us. and, he wants us to recognize that his mercy is greater than our sins, so that we will call upon him with trust, receive his mercy, and let it flow through us to others. the diary is truly a vehicle of grace for all who read it, for in reading it one can realize the truth that mankind will not have peace until it turns with trust to gods mercy, (diary, 300). about the author: sr. faustina was a young nun living in cracow, poland in the 1930s. despite having only 3 years of formal education, she recorded extraordinary revelations from our lord, which she compiled in notebooks known today as the bestselling diary of saint maria faustina kowalska. in 1979, the marians of the immaculate conception, lead by fr. seraphim michalenko, were instrumental in bringing it in its rough type-written form out of poland. on april 30, 2000, pope john paul ii canonized st. faustina and called for the celebration of divine mercy sunday as the sunday after easter.