A manual for the salesman -- and of dubious value. The central idea seems to be that persuasion equals the ability to find out what another person wants and then convincing that person you are able to supply it. How to discover those wants, measuring a business to satisfy wants, how to make friends by finding out what is wanted, and by satisfying those wants, how to develop a persuasive personality. On and on -- slim in substance, extensively padded with not too interesting examples. Business market. Pretty punk.