From the publisher's website:
 
A short yet foundational introduction into the bountiful chemistry and usage of essential oils.
 
Written to help herbal practitioners expand their therapeutic repertoire, Essential Oils - A Concise Manual draws on Nikki Darrell’s 30 years of experience to provide a look into the amazing capacity of essential oils in helping people with a wide range of health related issues. This book covers all bases, starting by exploring the nature of the different essential oils, the importance of quality and how to blend them. The author also looks at the profiles of certain oils, and how to use them effectively for different conditions. Throughout this fascinating book, there is also a special focus on the ethical and sustainable sourcing of these wonderful and multifaceted oils.
 
Nikki Darrell has been working with plants, their medicine and healing, for over four decades as her fascination with the green beings started in early childhood and her primary teachers are the plants she works with. She has worked as a research scientist in the field of plant science; a practitioner of herbal medicine, aromatherapy, aromatic medicine, reflexology, massage, and body work; a gardener; an educator at all levels from introductory to 3rd level, campaigner, and author of five books and many articles. She holds a Masters in Social and Co-operative Enterprise which she embarked on due to her love of sustainable community development. She is devoted to the recovery of our societal and culture connection to the plant beings and our kin in Nature, bringing herbal medicine back into the centre of our communities.