Robert Tisserand is founder of The Tisserand Institute, the leading organization of research and education in the art and practice of aromatherapy. He is consultant to a leading supplier of essential oils, a contributor of many press articles, a lecturer in Europe and the United States and has appeard on radio and television on both sides of the Atlantic. Now in its 20th impression, his book explains: What essential oils are Their history from ancient times Basic principles of natural therapy Odours and their use as cures Curing the body Curing the mind Essential oils and massage Skin care Practical hints and recipes Individual entries from plant oils - where to find them - how to use them.