Book: SuperFreakonomics

SuperFreakonomics Global Cooling, Patriotic Prostitutes, and Why Suicide Bombers Should Buy Life Insurance.  This is the book that @BillGates has been reading.
The New York Times best-selling Freakonomics was a worldwide sensation, selling over four million copies in thirty-five languages and changing the way we look at the world. Now, Steven D. Levitt and Stephen J. Dubner return withSuperFreakonomics, and fans and newcomers alike will find that the freakquel is even bolder, funnier, and more surprising than the first.
Source.