At the request of the Lord Jesus and with the permission of her spiritual director and superiors, Saint Faustina kept a diary of her spiritual journey and mystical experiences.

My daughter, be diligent in writing down every sentence I tell you concerning My mercy, because this is meant for a great number of souls who will profit from it."

Regular Paperback, 697 pages.

Compact Size 7" x 4 1/2", Paperback, 730 pages.