If you've read my books you know that Seth Godin's Permission Marketing is always on my recommended reading list. It's a marketing book but should be required reading for salespeople. I was browsing Seth's blog and found this post about cold calling. I found it interesting because I'm always adapting his marketing suggestions for use in sales, and was glad to see him state directly that cold calling is out.
And while you're at it, add Permission Marketing to your reading list: