"Aroma Therapy Certification Official Textbook, Level 1 & 2, June 2020 Revised Edition" Japan Aroma Environment Association Price: 2,400 yen "Aroma Therapy Certification Official Question Collection, Level 1 & 2, June 2020 Revised Edition" Japan Aroma Environment Association Price: 1,300 yen These items were purchased used, so they have scratches and stains from the time of purchase. Please be aware of this. They were fine for studying. Please refrain from purchasing if you are overly concerned about condition.