The Encyclopedia of Essential Oils

"At last a clear and systematic distillation of useful information about a truly comprehensive spectrum of essential oils and absolutes." --John Steele, American Aromatherapy Association The definitive AZ reference guide to essential aromatherapy oils. Aromatherapy expert Julia Lawless shares her extensive knowledge in this detailed and systematic survey of more than 190 essential aromatherapy oils. From commonly used oils such as lavender, frankincense, ylang ylang, and tea tree oils to the mor