The New Big Book of Christian Mysticism: An Essential Guide to Contemplative Spirituality

Read the Bible like a Mystic: Contemplative Wisdom and the Word

An Invitation to Celtic Wisdom: A Little Guide to Mystery, Spirit, and Compassion

Answering the Contemplative Call: First Steps on the Mystical Path

The Big Book of Christian Mysticism: The Essential Guide to Contemplative Spirituality

Unteachable Lessons: Why Wisdom Can't Be Taught (and Why That's Okay)

The Little Book of Christian Mysticism: Essential Wisdom of Saints, Seers, and Sages

The Complete Idiot's Guide to Celtic Wisdom

Christian Mystics: 108 Seers, Saints, and Sages

366 Celt: A Year and A Day of Celtic Wisdom and Lore

When Someone You Love is Wiccan: A Guide to Witchcraft and Paganism for Concerned Friends, Nervous Parents, and Curious Coworkers

The Complete Idiot's Guide to Paganism: Meaningful Ways to Commune with Nature and Follow the Pagan Spiritual Path

Before You Cast A Spell: Understanding the Power of Magic

The Spirit of the Celtic Gods and Goddesses: Their History, Magical Power, and Healing Energies