The book "Sales Psychology" by the famous psychologist and writer William Walker Atkinson is a detailed study of the psychological aspects of successful sales. In his book, the author considers important aspects of influence on the psychological structure of buyers, strategies for influencing their decisions, and confident selling techniques. William Walker Atkinson guides the reader through the intricacies of interpersonal interactions, helping to unlock the secrets of successful sales through an understanding of consumer psychology. "The Psychology of Sales" is not just a manual for salespeople, but also an interesting read for anyone interested in human behavior and the achievement of one's own goals through confident communication influence.