Ok this might be a bit controversial I don't want to start a religious debate but the The Root of All Evil - The God Delusion by Richard Dawkins is pretty good http://www.youtube.com/watch?v=mkGpO1lQrLY

Mods feel free to delete this I don't mind

I thought it might be interesting because he's a evolutionary scientist and ethologist, I've heard David Deangelo go on about him and how a lot of pick up is based on evolutionary psychology and on his book the selfish gene.