1, "Influence" In this book, the psychologist Dr. Robert B. Cialdini explained to us why some people are persuasive and we are always gullible. 2. Positioning: the concept that has the greatest influence on American marketing in history. This is trout's famous work, which deeply expounds the positioning theory and operation method, and with rich practical case analysis, guides entrepreneurs to successfully locate enterprises and achieve commercial success. 3. "Marketing Management" This is the "marketing Bible" passed down from mouth to mouth, and it is included in the required reading list of various management books. You will understand after reading the marketing. 4. From the perspective of EQ, the book "Sales is just playing EQ: a soft skill of sales that 99% people don't know" expounds some common problems in the sales industry, such as sales channels, customer psychology, customer maintenance, negotiation skills and team management, and gives effective guidance methods. 5, "From the bottom to the TOP" TOP Sales Road In this book, five salespeople with different qualifications and pursuits entered the legendary mysterious "Golden Sales University" because of dissatisfaction with the status quo, and suffered the devil training of the legendary coach TOP, but one year later, they all created their own sales miracles!