Sslf Improvement Seriesit is the technique used to increase the ability to influence others in personal contactas well as techniques of persuasion and the use of personal magnetism.There are many ways in which personality development is understood and many concepts that imply particular understandings of human development.Some of these are very narrow in focus.Some are very broad.To clarify the situationwithout imposing yet another set of constrainsa very board approach has been taken by us in selecting the content for inclusion.