Encyclopedia of Essential Oils
Kg Stiles
Essential Oil Safety
Robert Tisserand
The Aromatherapy Beauty Guide
Danielle Sade
Essential Oils for Allergies
Amy Joyson
The Heart of Aromatherapy
Andrea Butje
Smart Mom's Guide to Essential Oils
Mariza Snyder
The Complete Book of Essential Oils and Aromatherapy
Valerie Ann Worwood