In this book, Sister Mary of the Cross unveils her mysterious 16-year encounter with a suffering soul from purgatory. From the stages a soul must undergo in its purification, to the length of time spent there, this soul revealed to Sister Mary profound details about these purifying flames, which are ultimately an invention of love by God. This manuscript shows how the prayers, sacrifices, and charity of the living bring immense relief to those being purified on their way to heaven. Reading this book will deepen your spiritual life: your knowledge of life after death will never be the same again.