Praying with the Saints for The Holy Souls in Purgatory

What do we know about purgatory and the Holy Souls? What have the saints revealed about purgatory - including St. Faustina and Blessed Stanislaus Papczynski, Founder of the Marian Fathers As intercessors for the Holy Souls in Purgatory, what devotions and practices can we observe throughout the year? These are the questions Susan Tassone addresses in her latest book.