A SALES GURU'S SECRET IS THE BOOK ABOUT HOW YOU CAN BECOME A MASTER OF SELLING, AND GET TO THE TOP. In this book you are going to learn the five pillars of how to become a master of selling. In general, to be successful in the art of sales, based on my personal experience and what I have seen from others, the key is that you must like selling and have good communication skills, because you will be constantly in contact with people where you have to define and explain your offering to customers.