The Secrets of Consulting
The Power of Understanding People: The Key to Strengthening Relationships, Increasing Sales, and Enhancing Organizational Performance
amazon.com
It's one of the ironies of our business that consultants rarely get asked for help by the people who need help the most. That sometimes makes it tempting to jump in without being asked when you happen to be in the neighborhood. Don't! When the request is missing, chances are you can't help.