The author's intentions to present information in an unbiased manner is invaluable to the field of Aromatherapy. This text will be useful to all students of Aromatherapy not just Estheticians or spa workers!
I think the proposed product is quite adequate for the training I will be doing. I can't think of any books that are as complete as what you are proposing. I think you are targeting the right area, anyone interested in self-healing or massage therapists who have not been introduced to essential oils.