The Crucial Basics is a spiral bound travel size mini version of The Important Life book. At five ½ in x 7 ½ in, this crucial oil guide is created for on the go, and best for traveling. It contains most of the very same fantastic details in a simplified and compact way, with further content written specifically for making use of your oils although you’re on the go. The Vital Fundamentals is the ultimate essential oil traveling companion. This new spiral bound oil user guide consists of the new 2017 dōTERRA oils (except for the three Yoga Blends).