This is a business book explaining a way of thinking to maximize your time. - Title: Essentialism - Author: Greg McKeown - Publisher: Kanki Publishing - Price: 1600 yen - ISBN: 978-4-7612-7043-8 - Condition: Stains and dirt present. No problem for reading. Due to a high volume of inquiries, I am reposting with some changes. As stated in the condition description. If you are concerned, please purchase from someone else. Thank you for viewing.