An encyclopedia of information about essential oils, blends and their application for wellness benefits. The primary content is a listing of over 350 health concerns and included with them is a brief description of the health concern, what essential oils are suggested, how to apply them and the experiences others have had. Beyond this there are included an overview of what essential oils are and where they come from, a summary of how essential oils are used, a glossary of terms associated with essential oils for those new to their use and details on how to use essential oils safely.