The world of business dictates to women certain unspoken rules . It is not necessary to show excessive mind and strong-willed qualities .. Do not show your ambitions and desire to move up the career ladder . In addition, women are held back by their own internal barriers. There are hundreds of really good reasons why women put an end to their careers. They do not allow themselves to move forward due to lack of self-confidence, unwillingness to pay too much attention to themselves, because of the constant dilemma that is more important than a career or family, due to pathological lack of time. As a result, only 4% of CEOs of the world’s leading companies today are women. Sheryl Sandberg, chief operating officer of Facebook, one of the most influential figures in the business world, tells what obstacles she had to face on her professional path. This book is a manifesto and a source of inspiration for those who believe that a woman can and has the right to seek self-realization in her career and business, and family relationships should be built on the basis of equal partnership. The book is full of practical tips on how to find the right balance between family and career and how to overcome the fears that prevent women from moving forward.