such as Larry Ellison and Tim Draper, Theranos sold shares in a fundraising round that valued the company at more than $9 billion, putting Holmes's worth at an estimated $4.5 billion. There was just one problem: The technology didn't work. Erroneous results put patients in danger, leading to misdiagnoses and unnecessary treatments. All the while, Holmes and her partner, Sunny Balwani, worked to silence anyone who voiced misgivings- from journalists to their own employees. Rigorously reported and fearlessly written, Bad Blood is a gripping story of the biggest corporate fraud since Enron-a tale of ambition and hubris set amid the bold promises of Silicon Valley.