The Ultimate Sales Machine (New York City: Portfolio Trade, 2006)

This is by far the best business book I have ever read. I know that is a big claim, but I found the book enormously compelling. It is full of real-world examples, brilliant strategies, and proven tactics. And make no mistake: this book is not just about sales. It is about life and an approach to running a business that is different than anything I have ever read. I can see why Tony Robbins partnered with him. (Sadly, Chet died of leukemia in 2012.)