This is the timeless classic, "How to Win Friends and Influence People" (Dale Carnegie), which has been read by over 30 million people worldwide. ✔ For those who want to improve their sales and negotiation skills ✔ For those who want to improve their relationships ✔ For those who want to learn how to interact with subordinates, family, and customers It contains a lot of immediately applicable content, and is an easy read even for those who aren't fond of business books. [Condition] ・Used ・No writing Instant purchase OK / Will be shipped with waterproof packaging.