Essential Oils Pocket Reference 7th Edition Author:Life Science Publishing The Essential Oils Pocket Reference is a condensed version of the popular Essential Oil Desk Reference. It is divided into 7 chapters with 3 appendices, containing usage in history and modern medicine, the top scientific research, methods to safely use and apply essential oils, and much more. The Essential Oils Pocket Reference includes a direct... more »ory (single oils, blends and personal usage). Features Young Living oil blends and formulations.« less