Set of 3 books: "The Demon of Quantification," "Systematize Everything," and "The Mask of Leadership" Free shipping, anonymous delivery Slight signs of use, but in good condition with no writing. "Systematize Everything" has a slight crease. Please refer to the photos. For shipping, the books will be packaged to be waterproof 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.