The Silent Life

Interior Castle

Thoughts In Solitude

Understanding the Purpose and Power of Prayer: How to Call Heaven to Earth

The Human Being: A Theological Anthropology

The Sign of Jonas

The Power of Du'a

The Ascent to Truth

God's Wisdom for Navigating Life: A Year of Daily Devotions in the Book of Proverbs

The Waters of Siloe

Healing Scriptures and Prayers: God Wants You Well

Dangerous Prayers: Because Following Jesus Was Never Meant to Be Safe

Mystics and Zen Masters

Angels at My Fingertips: The sequel to Angels in My Hair: How angels and our loved ones help guide us

How to Pray: What the Bible Tells Us About Genuine, Effective Prayer

New Seeds of Contemplation

The Incredible Power of Prayer

The Seven Storey Mountain

Christian Bible Study: How To Be Rich in Faith