NATIONAL BESTSELLER - A "gripping" (The Washington Post) account of how the major transformations in history--from the rise of Homo sapiens to the birth of capitalism--have been shaped not by humans but by germs "Superbly written . . . Kennedy seamlessly weaves together scientific and historical research, and his confident authorial voice is sure to please readers of Yuval Noah Harari or Rutger Bregman."--The Times...