#1 NEW YORK TIMES BESTSELLER - In Sapiens, he explored our past. In Homo Deus, he looked to our future. Now, one of the world's most innovative thinkers explores what it means to be human in an age of bewilderment--now updated with new material. "Fascinating . . . a crucial global conversation about how to take on the problems of the twenty-first century."--Bill Gates, The New York Times Book...