Please do not misunderstand the word "essential". It's not referred to the ebook (which has 140 pages and contains EVERYTHING you need to know to increase your well being with aromatherapy), it's referred to the "essential oils" which are the basis of aromatherapy.
Aromatherapy has been considered down through the century as a remedy that soothes the body and mind. The remedies are said to relieve symptoms coming from a variety of diseases.
In addition, the remedies are claimed to relieve stress, anxiety, nervous tension, and related symptoms. Many people have used aromatherapy, including the French natives, Egyptians, Germans, Brazilians, Europeans, Indians, Canadians, Americans, people in the Mediterranean lands, and so on.
The oils include the scented and essential oils. Online you can find a variety of the oils, including Basil, Cedarwood, celery seed, carrot seed, African Bluegrass oils, bergamot, clove bud and leaf oils, and so on. The oils each have its purpose for healing the body and mind.