Heal Yourself With Ozone(1st Edition) Practical Suggestions For Oxygen Based Approaches To Healing by Paula Horan Paperback, 572 Pages, Published 2016 by Createspace Independent Publishing Platform ISBN-13: 978-1-5404-7332-5, ISBN: 1-5404-7332-5
Ultimate Reiki Touch Initiation and Self Exploration as Tools for Healing by Paula Horan , Narayan Choyin Dorje Paperback, 224 Pages, Published 2002 by Lotus Press ISBN-13: 978-0-914955-70-2, ISBN: 0-914955-70-5