Who was Sister Faustina Kowalska (1905-1938)? In this authorized biography, you will encounter the young woman, born Helena, and her family, and read of many other people who influenced her spiritual formation. Sister Faustina's devotion to the Lord and her tireless efforts to promulgate the messages she received from Him and from Our Lady have borne rich fruit, and continue to touch the lives of millions around the world.

This biography, formerly titled "Mercy My Mission," includes many excerpts from Faustina's famous diary. Whether read alone or as a study aid to reading the diary itself, this book is an inspiring and reliable introduction to this remarkable twentieth-century saint.

Sister Sophia Michalenko, a co-foundress of the Community of the Mother of God of Tenderness, currently ministers at the Pope John Paul II Center for Health Care in Danbury, Connecticut. She is by profession an educator. During the 1980s, she devoted herself to researching, editing, and translating various Divine Mercy materials, including the "Diary of Blessed Faustina Kowalska" in both Polish and English. She is often requested to speak about Blessed Faustina's life and mission.