Since my family bought the same book, it's new and unused. I would appreciate it if you could understand that it has been stored at home. Thank you very much! A business book explaining the knowledge and techniques for increasing money. - Title: How to Increase Money Perfectly for Me - Author: Shinya Yamada - ISBN: 978-4-7991-0870-3 - Content: A business book explaining the knowledge and techniques for increasing money. - Chapters: 5 chapters in total Thank you for viewing.