"SuperFreakonomics" is an excellent book. It is the successful successor to "Freakonomics". I read the latter a couple of years ago and thoroughly enjoyed it. In this one they both added more nuggets of statistical wisdom and they did a fabulous job of synopsizing both books into a single thought:
People respond to incentives in very different ways.I won't expound on that; read the book.
I will say that I read this in just over a weekend. It was fun, interesting, intriguing, compelling, and many other words that critics love to say. Definitely worth your time.