The book provides the knowledge of Yin-Yang and Bagua with simple style, easy to understand, easy to apply. However the benefit of these simple things is in practicing. More than popular feng shui applications, author has simplified the great Lao Tzu's doctrines in only Eight Trigrams to help you easily remember and apply them. It helps you adjust and develop yourself better in all areas of your life such as family, company, team, organization ... depending on your position from time to time. So you will not get any value if you ignore this book.