The definitive account of the breathtaking rise and shocking collapse of Theranos, the multibillion-dollar biotech startup founded by Elizabeth Holmes. In Bad Blood, Pulitzer Prize-winning investigative journalist John Carreyrou exposes the full story of one of the biggest corporate frauds since Enron. At its height, Theranos was valued at $9 billion, promising to revolutionize healthcare with a machine that could perform hundreds of medical tests from just a single drop of blood.