Gary Goodman - Seven Secrets of a born seller (Handbook businessman).

In this book, Gary Goodman, a well-known marketing expert, reveals the techniques of successful sales of the most successful merchants, they kept secret, you can master this science and apply it in practice, author guarantees that, after mastering all the techniques you will learn "to turn lemons into lemonade" , wrapping their advantage every failure or stagnation in business.