If you are looking for an a downloadable copy of Catholic classics, then go to:
They have a rich collection of Catholic classics every Catholic should read.
Blessed Anne Catherine Emmerich: The Dolorous Passion of Our Lord Jesus Christ (762 KB -- PDF format).
This ebook now includes: The Life of Anne Catherine Emmerich
Story of a Soul: The Autobiography of Saint Therese of Lisieux
Letters of Saint Therese to Her Sister Celine
Prayers of Saint Therese
Counsels and Reminiscences
Saint Patrick of Ireland: The Confession of Saint Patrick
Saint Catherine of Siena: The Dialogue
Thomas à Kempis: The Imitation of Christ
St. Ignatius of Loyola: The Spiritual Exercises
Saint Theresa of Avila: The Way of Perfection
The Didache (web page) - an ancient Church document from the late first century (or early second century) A.D., also called The Teaching of the Twelve Apostles. [printer-friendly version]
I have copies of these. But for those who are looking for other classics like from St. Augustine, St. John of the Cross, St. Louis de Monfort, etc., just send me an email and will send it to you.
Don't worry. I am not a spammer!