With knowledge and expertise built on a three generations of specialist aromatherapists, the book is a modern classic in the field, bridging historical traditions in plant medicine with modern science and ecological concerns. Part One introduces the historical background, traditions and uses of essential oils. Part Two forms the largest part of the book at two-thirds, containing recipes, blends and treatments for a variety of concerns, emotional, physical, medical and spiritual. Part Three offers in-depth directories of essential oils, herbs and other plant products, clays, salts and other essential ingredients, along with their properties and benefits.