Well I guess about nine months ago I bought and read most of a book titled the “Survival Medicine Handbook”. Seems good and it has a list of additional resources in the back of the book, I acquired most of the additional books, highly recommended is the ” Essential Oils Desk Reference” by Life Science Publishing. The discovery of “Thieves” Oil is worth the price of the book. Since it’s Cold and Flu season you might want to look it up.