Set of 3 books: "The Demon of Quantification," "Systematize Everything," and "The Mask of Leadership" Free shipping, anonymous delivery, all with obi strips There is some minor wear and tear, but no noticeable stains or writing, and the books are in good condition. For shipping, the books will be waterproofed and shipped via anonymous delivery. ☆ "The Mask of Leadership: The Thinking Method to Switch Your Mind from 'One Player' to 'Manager'" Price: ¥1500 + tax ☆ "Systematize Everything = Anyway, Systematize: The Thinking Method to Stay on Top" Price: ¥1600 + tax ☆ "The Demon of Quantification" Price: ¥1500 + tax - Author: Kodai Ando Thank you for viewing. Please refrain from purchasing if you are looking for a perfect item.