This well illustrated book provides a general introduction to aromatics, showing their changing role throughout history, and their modern applications in aromatherapy, herbalism and perfumery. A therapeutic index lists common ailments with information on how they can be treated using aromatherapy oils. The last part of the book provides a systematic survey of over 160 essential oils which indicates how each oil can be used at home, how it was extracted, and with what other oils it is compatible.