This is a perfect book for those who want to increase their productivity at work as well as in personal life. This books will give you 21 ways, which you have to follow. After applying all this rules, you will be surely efficient. Here are some points for those who want to read books.▪️ Practice is a key to mastering any skill.▪️ 3 quality to develop a habit1. Decision - Make a decision to develop a habit of completion of task 2.Discipline - Discipline yourself to practice the principle you are about to learn over and over until you master