A set of two popular business and self-help books. Both books have been read only once and are in "like new" condition, almost pristine. This set is recommended for those who want to study and save money efficiently. Both books are in very clean condition with no noticeable scratches or stains. We are not considering selling the books separately. ① "The Most Efficient Study Method: Achieving Maximum Results in the Shortest Time" Author: Mentalist DaiGo Price: 1,540 yen Learn efficient learning methods based on scientific evidence. A beautiful item with the obi (paper band). ② "Men's Authentic Saving Techniques" Author: Minato Kashimoto Price: 1,485 yen A practical book that pursues smart money management and a simple, fulfilling life. [Product Condition] ・Both books have no writing, folds, page splits, or sun damage. ・No smokers or pets. ・Although in very clean condition, please purchase only if you understand that these are home-stored items that have been handled by a person once. [Shipping] ・Price includes shipping. ・Due to the thickness, the books will be carefully delivered in a Japan Post "Yu-Packet Plus" box, with tracking, compensation, and anonymous delivery. ・Will be carefully packaged in a plastic bag for waterproofing.