The Invention of Good and Evil: A World History of Morality - Hardcoverby Hanno Sauer (Author) In this sweeping new history of humanity, told through the prism of our ever changing moral norms and values, Hanno Sauer shows how modern society is just the latest step in the long evolution of good and evil and everything in between. What makes us moral beings? How do we decide what is good and what is evil? And has it always been that way? Hanno Sauer's sweeping new history of humanity, covering five million years of our