"Aroma Therapy Certification Official Textbook, Level 1 & 2, June 2020 Revised Edition" Japan Aromatherapy Environment Association "Aroma Therapy Certification Official Question Collection, Level 1 & 2, June 2020 Revised Edition" Japan Aromatherapy Environment Association Writing: There is a page with a few lines marked with a highlighter on the spread in the third photo. There is no writing in the question collection. Please refer to photos 4 and 5 for areas that have become soiled during storage.