Self-help manga-style thinking organization method. - Title: Organizing Your Thoughts to Become a Decisive Person - Author: Misuzu Nakajima - Published: 2025 - Genre: Self-help - ISBN: 978-4-07-461988-7 9mm mark on the upper left of the cover (photo 5) 8mm dent in the center of the bottom (photo 6) Thank you for viewing.