The Introvert's Edge

From the publisher, 'This is book will guide you, the introvert, how to optimize the use your personality in the art of selling. You will find that selling skill is just like any other skill, all you need is to learn how and apply... Until you'd become an outstanding salesperson...' The author will share his expereince when he first start his sale career, how he had to knock at 93 houses before he could sell his first contract... But now he owns a business valued at over 5 millions dollars... Vietnamese translation by Kieu An.