| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Aromatherapeutic Blending: Essential Oils in Synergy | 978-1-84819-227-0 (1-84819-227-4) | 2015 |
| Essential Oils: A Handbook for Aromatherapy Practice Second Edition | 978-1-84819-089-4 (1-84819-089-1) | 2012 |
| Fragrance and Wellbeing: Plant Aromatics and Their Influence on the Psyche | 978-1-84819-090-0 (1-84819-090-5) | 2013 |