William Walker Atkinson 
The Psychology of Salesmanship 

The Psychology of Salesmanship is a book by American author William Walker Atkinson, first published in 1912. In it, the author explores the ways in which psychology can be used effectively in business matters. Chapters include: Psychology In Business; The Mind Of The Salesman; The Mind Of The Buyer; The Pre-Approach; The Psychology Of Purchase; The Approach; The Demonstration; and, The Closing.