The booklet "Believe You Can" by Dr. Zeina Soufi, who has a doctorate in social psychology and a bachelor's degree in media (radio and television presentation), as well as several internationally accredited certificates from skay News Arab organizations and the French organization PU, in the field of psychology and mental health. The booklet talks about self-confidence and how to enhance it 100%, where it shows the definition of self-confidence and its source and how we can develop it. In the book you will find practical steps to help you learn how to enhance your self-confidence, as well as psychological and practical steps that support self-confidence. In conclusion, the writer gives you some important advice on the most important things that are forbidden to follow as they reduce your self-confidence and give you a weak and fragile impression.