This is one of the bestselling aromatherapy books of all time, with vital information on plant origins, medical herbalism and the properties and actions of herbs and essential oils. It covers 165 oils, their actions, characteristics, principal constituents and folk traditions and is a must for experienced aromatherapists and beginners alike. This core handbook includes an A-Z listing of an enormous range of aromatic plants. Comprehensive information is provided for each entry: the plant’s name, what it looks like, where it’s found, its traditional uses and safety information. Learn how each oil is extracted, what the oil looks like, and which other oils it blends well with. The Encyclopedia of Essential Oils also covers the history of aromatherapy and herbalism, how aromatic plants work on your body and mind, and how to make your own blends. This is a classic guide to essential oils and will remain a vital source of information for generations to come.