I finished Blink by Malcolm Gladwell a while ago. Very provocative. Certainly made me think about the strengths (positive and negative) of our subconscious which "informs" our actions often without our knowing.
On the negative side - do you think you have few biases? That you are not racist or sexist? Why not try some of the tests Gladwell talks about. They can be found at https://implicit.harvard.edu/implicit/