Superfreakonomics by Steven D. Levitt

Here at last is the long awaited sequel to the international bestselling phenomenon, Freakonomics. Steven Levitt, the original rogue economist, and Stephen Dubner have been working hard, uncovering the hidden side of even more controversial subjects, from charity to terrorism and prostitution. And with their inimitable style and wit, they will take us on another even more gripping journey of discovery. Superfreakonomics will once again transform the way we look at the world.