I bought this book and kept it at home without reading it. There is a fold on the inside of the obi (sleeve). This is a business book explaining the importance of mentors for success. - Title: Your Life is 90% Determined if You Find a Mentor! - Author: Akira Iguchi - Publisher: Kanki Publishing - ISBN: 978-4-7612-2103-9 - Number of pages: 224 pages - Content: How to succeed like a child clearing a game - Price: 1400 yen + tax Thank you for looking.