Secrets of Character Science and Development Book – Mohammed Al-Khalidi If you want to understand people better and develop your personality, you'll like this book. It talks in an easy and direct way about personality types, how to discover your strengths, build more self-confidence, and deal with others intelligently. The book is full of simple ideas and exercises that will help you understand yourself and those around you more deeply, and develop your skills in communication and dealing with different situations. Condition: Very clean