A few of my favorite transformative authors and their books  

Shakti Gawain
Creative Visualization
Living in the Light
The Path of Transformation
Developing Intuition
Creating True Prosperity.

Stephan Rechtshaffen
Timeshifting: Creating More Time to Enjoy Your Life
The World’s Greatest Treasury of Health Secrets; Vitality and Wellness

Eckhart Tolle
The Power of Now
A New Earth
Stillness Speaks

Chogham Trungpa
The Sacred Path of the Warrior

Brian Weiss
Many Lives, Many Masters; Miracles Happen
Spiritual Progress Through Regression
Only Love Is Real; Messages From the Masters

Gary Zukav
The Seat  of the Soul; The Mind of the Soul; The Heart of the Soul

Inspiring Teachers for the Intellectually Curious and Spiritually Adventurous:

Lee Carroll 
Steve Rother 
Pepper Lewis 
Geoffrey and Linda Hoppe

Retreats and other great places to go:

Omega Institute
Esalen Institute
Spirit Rock Meditation Center
Canyon Ranch (expensive but worth it)

Teachers and authors from the Body & Soul series on PBS:

Libby Barnett and Maggie Chambers
Reiki Energy Medicine: Bringing Touch Into Home, Hospital, and Hospice (Healing Arts Press, 1996)

Herbert Benson, M.D.
Timeless Healing: The Power and Biology of Belief (with Marg Stark)
The Mind/Body Effect
The Relaxation Response (with Miriam Klipper)
Beyond the Relaxation Response (with William Proctor)
Your Maximum Mind (with William Proctor)
The Breakout Principle, 2003; Mind Over Menopause, 2004
Mind Your Heart, 2004
The Harvard Medical School Guide to Lowering Your Blood Pressure, 2006
Relaxation Revolution, 2010

Herbert Benson, M.D. and Eileen M. Stuart, R.N., M.S.
The Wellness Book: The Comprehensive Guide to Maintaining Health and Treating Stress-Related Illness

Mary Bove, N.D.
An Encyclopedia of Natural Healing for Children and Infants (Keats Publishing, 1996)

Sarah Ban Breathnach
Something More: Excavating Your Authentic Self (Warner Books, 1998)
Simple Abundance: A Daybook of Comfort and Joy (Warner Books, 1998)
Simple Abundance: Journal of Gratitude (Warner Books, 1996)

Mark A. Breiner, DDS
Whole-Body Dentistry (Quantum Health Press, Fairfield, CT, 1999)

Childre, Doc and Martin, Howard, with Beech, Donna
The HeartMath Solution (Harper, San Francisco, 1999)

Robin Casarjian
Forgiveness: A Bold Choice for a Peaceful Heart (Bantam Books, New York, 1992)
Houses of Healing: A Prisoners Guide to Inner Power and Healing (Lionheart Foundation, 1995)

Terah Kathryn Collins
The Western Guide to Feng Shui: Creating Balance, Harmony, and Prosperity in Your Environment (Hay House, 1996)

Lama Surya Das
Awakening the Buddha Within: Eight Steps to Enlightenment (Broadway Books, New York, 1997);
Awakening to the Sacred: Creating the Spiritual Life From Scratch (Broadway Books, 1999)

Larry Dossey, M.D.
Be Careful What You Pray For…You Just Might Get It (Harper Collins, 1997)
Prayer Is Good Medicine (Harper Collins, 1996)
Healing Words: The Power of Prayer and the Practice of Medicine (Harper Collins, 1994)
Recovering the Soul: A Scientific and Spiritual Search (Bantam, 1989)

James S. Gordon, M.D.
Manifesto for a New Medicine: Your Guide to Healing Partnerships and the Wise Use of Alternative Therapies (Addison-Wesley Publishing Company, 1996)

Rosemary G. Gordon
Minding Your Eyes (A visualization audio-cassette tape for palming. 335 Broadway Cambridge, MA, 1988)

Thich Nhat Hanh
Peace is Every Step: The Path of Mindfulness in Everyday Life  (Bantam Books, NY, 1991)
Living Buddha, Living Christ  (Riverhead Books, 1995)
Being Peace  (Parallax Press, 1987, 2005)

Peggy Huddleston, M.T.S.
Prepare for Surgery, Heal Faster: A Guide of Mind-Body Techniques (Angel River Press, 1996)

Phil Jackson
Sacred Hoops: Spiritual Lessons from a Hardwood Warrior (Hyperion, 1996)

Jon Kabat-Zinn, Ph.D.
Wherever You Go, There You Are: Mindfulness Meditation in Everyday Life (Hyperion, 1994)
Full Catastrophe Living: Using the Wisdom of Your Body and Mind to Face Stress, Pain, and Illness (Dell, 1991)

Jon and Myla Kabat-Zinn
Everyday Blessings: The Inner Work of Mindful Parenting (Hyperion, 1998)

Ronna Kabatznik
The Zen of Eating, Ancient Answers to Modern Weight Problems (Perigree, 1998)

Kathi Kemper, M.D., Ph.D.
The Holistic Pediatrician: A Parent's Comprehensive Guide to Safe and Effective Therapies for the 25 Most Common Childhood Ailments (HarperCollins, 1996)

Dharma Singh Khalsa, M.D.
Brain Longevity: The Breakthrough Medical Program that Improves Your Mind and Memory