One Of The First Attempts To Apply The Insights Of Scientific Psychology To The Arts Of Salesmanship; Including Also An Important Early Study Of Readability As Applied To Marketing And Advertising. The Author Was Professor Of Psychology In Indiana University. Contents: The Stream Of Thought In The Sale. Important Factors In Attracting Attention. The Influence Of Repetition. Selling To The Collective Buyer. How To Arouse Interest In A Commodity. Good Feeling A Requisite. The Imagination Of The Buyer. Desire. Confidence And Good Will. The Power Of Reason. Instinctive Factors. Suggestion In The Sale. The Psychological Moment. Satisfaction The Goal.