Thank you! This is a separate volume supplement. A special magazine introducing life hacks and tips. For those who understand that it has been stored at home, thank you. - Title: 50 People's Life Hacks - Contents: Chapter 1: 50 Case Studies, Chapter 2: A Life of Neat Organization - Content: Special feature on life hacks and tips Cardboard and reinforcement to prevent water damage. I plan to ship it in a new brown envelope, so I'm offering it at this price. I can't store it for long, so I'd like to sell it quickly. I plan to sell several copies.