Dale Carnegie 
Influence [EPUB ebook] 
Carnegie’s Most Useful Persuasion and Social Skills

This book has six parts from a personal point of view. It is a step-by-step approach from the aspects of interpersonal communication, language and emotional communication, and human life. It will gradually teach you to improve your personal strength, cultivate irresistible personal charm, enhance your own influence, and win respect and better attract others.