The Complete Guide to Aromatherapy

Essential Oil Safety: A Guide for Health Care Professionals

Clinical Aromatherapy: Essential Oils in Healthcare

The Healing Intelligence of Essential Oils: The Science of Advanced Aromatherapy

The Chemistry of Aromatherapeutic Oils

The Complete Book of Essential Oils and Aromatherapy, Revised and Expanded: Over 800 Natural, Nontoxic, and Fragrant Recipes to Create Health, Beauty, and Safe Home and Work Environments

Aromatherapy for Healing the Spirit: Restoring Emotional and Mental Balance with Essential Oils

The Complete Aromatherapy and Essential Oils Handbook for Everyday Wellness

Hydrosols: The Next Aromatherapy

The Fragrant Mind: Aromatherapy for Personality, Mind, Mood and Emotion