"How to Win Friends and Influence People, New Edition" D. Carnegie / Hiroshi Yamaguchi An immortal masterpiece that has become the origin of all self-help books, concretely illustrating the principles of human relationships that should be acquired as a working adult. "How to Stop Worrying and Start Living, New Edition" D. Carnegie / Akira Kayama An immortal masterpiece that illuminates the true nature of worries and concretely demonstrates the principles for solving them, shedding light on the darkness of the mind. This is a set of 2 books. As these are used items, there is deterioration due to age. The covers have been cleaned. There are no writings or marker marks. They will be delivered in a transparent pack for waterproofing. We have many other items for sale! #らもーんのヒント屋