Catholic books

Librivox has an audiobook on St Anthony of Padua for free download.

they also have one on The Lepers of Molocai, about Father Damian.

then there are some mysteries:

1. Lord, Daniel A.. "Murder in the Sacristy" · (readers)
2. Lord, Daniel A.. "Red Arrows in the Night" · (readers)

lots of chesterton and catholic classics if you search their catalogue:

1. 
   
2. Patrick, Saint. "Collected Works of Saint Patrick" · (readers)

1. St. Teresa of Avila. "Book of the Foundations" · (readers)
2. Teresa de Jesus (Avila), Santa. "Conceptions of Divine Love" · (readers)
3. Teresa de Jesus (Avila), Santa. "Interior Castle, The" · (readers)
4. [Spanish] Teresa de Jesus (Avila), Santa. "Libro de la Vida, El" · (readers)
5. Teresa de Jesus (Avila), Santa. "Life of St. Teresa, The" · (readers)
6. [Spanish] Teresa de Jesus (Avila), Santa. "Vivir sin vivir en mi" (in "Spanish Poetry Collection 001") · (readers)
7. Teresa de Jesus (Avila), Santa. "Way of Perfection, The" · (readers)

they also had some children's books under fiction but I didn't link...will do this next time they post one.