I picked up Keith Ferrazzi's book Never Eat Alone recently.
I tend to prefer books that outline the tried and true ways that business is done or books that gather together many different ideas. I admit to being fairly skeptical when I see books that claim to promote one person's successful way to do business. Someone who is naturally successful at something tends to write books by looking back on their experience and systematizing it.
Ferrazzi, though, does a good job of developing ideas in his book without developing overt systems.
Throughout the book he talks about building relationships and the types of things you can do to create meaningful relationships in your life and business. I found the book to be like Dale Carnegie's How to Win Friends and Influence People but with a modern twist. He talks about “pinging” people (to keep in touch with them periodically) and the art of making small talk. And, what I like about this book — more than a lot of similar books — is the focus on business.