I heard this guy on the School of Greatness podcast.
Give and Take: The Revolutionary Path to Success
I do like the idea of the personality types: Givers, Matchers and Takers.
If I look at my past, I would be a mix of giver and matcher. And it has given me great projects and great opportunity.
So I added his book on my "To Read" list:
Give and Take: Why Helping Others Drives Our Success