The books listed here will give you a greater understanding of the power of your subconscious mind. I have read every single one on this list and recommend several to my clients (those recommended are noted with an *). This list is continually updated, so check back often!
HYPNOSIS & SELF-HYPNOSIS
Hypnotherapy, David Elman
SPIRITUALITY
Care of the Soul, Thomas Moore
A Return to Love: Reflections on the Principles of "A Course in Miracles," Marianne Williamson
PAST LIFE REGRESSION
Journey of Souls: Case Studies of Life Between Lives, Michael Duff Newton
Many Lives, Many Masters, Dr. Brian Weiss*
Messages From The Masters, Dr. Brian Weiss
HELPING YOURSELF
Practical Intuition, Laura Day
The Key of Kings, Guy Finley
You Can Heal Your Life, Louise L. Hay
The Power of Your Subconscious Mind, Joseph Murphy *
Creative Visualization, Shakti Gawain
Excuse Me, Your Life Is Waiting, Lynne Grabhorn*
Natural Cures "They" Don't Want You To Know About, Kevin Trudeau