Impact, the classic book on the process of persuasion, explains the principles of psychology that stands behind the people's saying "yes" to any request, as it explains how to apply these principles. Dr. Robert Sieldini is an expert in the effective effect and persuasion fields. This book, which is seen in scientific circles, is a very prominent view; It is the outcome of thirty -five years of accurate research based on strong evidence, in addition to a three -year program of field study of what leads people to change their behavior. We will learn the six basic principles, and how we use them to become skilled in the art of persuasion- and how we defend ourselves against those who try to take advantage of us by convincing us of what he wants. This book is perfect for all people working in all aspects of life. The principles of influence your personality will change a strong positive change and lead you to success. Obeikan Publishing