This 6th edition of the Essential Oils Desk Reference is in brand new condition (still in shrink wrap). It is specific to Young Living products and essential oil research. At 810 pages, the 6th Edition is over 100 pages longer than its predecessor. It is not the latest edition of the Essential Oils Desk Reference, as the 7th edition was released in December of 2016. However, this 6th edition is still highly sought after.