Dr. Brandt Pitre - https://catholicproductions.com/collections/brant-pitre

The Spiritual Life: A Treatise on Ascetical and Mystical Theology Hardcover – August 1, 2013 by Adolphe Tanquerey

The Spiritual Combat by Dom Lorenzo Scupoli

The Imitation of Christ by Thomas Á Kempis

Transformation in Christ by Dietrich Von Hildebrand

Liturgy and Personality by Dietrich von Hildebrand