The Sandler Sales Institute's 7-Step System for Successful Selling
How to Master the Art of Selling Anything (Tom Hopkins)
This book is written in clear, easy-to-understand language. There's no hype or theory here,
just " how-to" strategies to help you increase your sales volume.
The Psychology of Selling Increase Your Sales Faster and Easier Than You Ever Thought Possible
(Brian Tracy)