'Peter Holmes has done it again. In his usual style, he has produced a useful clinical text on use of volatile oils. Rather than focusing on documenting everything in the medical literature, he has focused on all the practical aspects of these oils and just enough science and history to keep it all in context.'
- Eric Yarnell, ND, RH(AHG), Associate Professor, Dept. of Botanical Medicine, Bastyr University, Kenmore, WA

'This is a truly outstanding contribution to the literature on essential oil therapeutics. Based on years of experience, Holmes shares his profound insights into the therapeutic and clinical usage of essential oils, seamlessly weaving vitalistic and allopathic paradigms. Regardless of the individual practitioner's approach and philosophical leanings, this is an invaluable resource. Aromatica is the most significant text on essential oil therapy to emerge in recent years, and is destined to become a 'classic' in the field.'
- Jennifer Peace Rhind, author of Essential Oils – a Handbook for Aromatherapy Practice, Fragrance and Wellbeing, Listening to Scent and Aromatherapeutic Blending

'Aromatica is a meticulously researched and scholarly book, which covers the use of essential oils from a wide-ranging clinical perspective. It includes precise data on some unusual oils such as Blue Tansy, as well as outlining the critical importance of selecting premium quality oils to ensure their therapeutic effectiveness. Overall, this book is a valuable and original contribution to the literature presently available.'
- Julia Lawless, owner of Aqua Oleum and author of 'The Encyclopedia of Essential Oils' and 'Complete Essential Oils Sourcebook'

'It is the eclectic, integrated nature of this exposition that makes Aromatica an indispensable source of reliable information on the energetic and symptomatic therapeutics of essential oils. The fact that these faculties are discussed with eloquence and lucidity, as well as a deep appreciation of the provenance, potency and olfactory subtlety of essential oils, instils this opus with the excellence of artisanship - like the work of the distiller whose plant essences are the product of their passion, the alchemical consummation of their calling.'
- From the foreword by Gabriel Mojay LicAc, CertEd, FIFPA, Founding Co-Chair of the International Federation of Professional Aromatherapists (IFPA)

'If there was ever a book that could transmit the full spectrum of treasure, value and validity of essential oils in our time, this is it.'
- From the foreword by Tiffany Carole Pollard MS, L.Ac, LMP, Synergy Wellness Center

'Peter shares with us his great gift for using the terms and principles of Chinese medicine to explore herbal medicines from beyond the classical Chinese materia medica with easily understandable and clinically useful clarity. It is a real feast for the student and the seasoned clinician alike. This book secures Peter's place as a master of weaving eclectic systems of classification into a clinically useful modern construction.'
- From the foreword by Charles Lev, Faculty Instructor in Family Medicine, Oregon Health Science University and Clinical Supervisor, National College of Natural Medicine