“Today bring to Me all mankind, especially all sinners, and immerse them in the ocean of My mercy.” — Jesus to St. Faustina Throughout her Diary, St. Faustina speaks of Jesus' call for the conversion of souls. Through prayer and sacrifice, the Lord calls us all to strive for our own conversion, and for the conversion of the whole world. Perhaps you've tried everything to draw your friend or family member back to faith in God. In St. Faustina Prayer Book for the Conversion of Sinners, best-selling author Susan Tassone shows you how to place the lives of all you love into God's merciful hands. Known worldwide as leading the “purgatory movement,” Susan invites you to learn how to live the message of conversion daily, to avoid purgatory, and to become more faithful in praying for others. “St. Faustina Prayer Book for the Conversion of Sinners is a much-needed treasure which allows us to glimpse the mercy of God and his call to conversion. I pray that all who read this book will be touched by God's love and experience the grace needed to follow Jesus more closely as his disciples” — Cardinal Seán Patrick O'Malley, OFM Cap. “Use [the St. Faustina Prayer Book for the Conversion of Sinners] faithfully to pray for relatives and friends, and apply it to yourself to help with your own growth in holiness.” — Greg Erlandson, Editor in Chief, Catholic News Service “This is a great book to help you pray for others, but it's more than that. Filled with prayers and inspiration for the continual, day-by-day conversion of our own hearts, it's a book for each one of us.” — Vinny Flynn, author of Mercy's Gaze