Mysticism: A Study of the Nature and Development of Man's Spiritual Consciousness

Conversations With God

Practical Mysticism

Conversations with God - Book 3: An uncommon dialogue

Mystics of the Church

The Masnavi, Book One

Light of Christ: Addresses given at the House of Retreat Pleshey, in May, 1932

My Utmost for His Highest: Updated Language Paperback (A Daily Devotional with 366 Bible-Based Readings)

The Grey World

The 7-Day Prayer Warrior Experience (Free One-Week Devotional)

Worship

Mystic's Musings (eBook)

Essentials of Mysticism

Shamanism As a Spiritual Practice for Daily Life

Ruysbroeck

Christian Bible Study: How To Be Rich in Faith

Jacopone da Todi: Poet and Mystic (1228-1306): A Spiritual Biography

My Rock; My Refuge: A Year of Daily Devotions in the Psalms (US title: The Songs of Jesus)

Mixed Pasture: Twelve Essays and Addresses

Science Without Bounds: A Synthesis of Science, Religion and Mysticism