"Tara Westover was seventeen the first time she set foot in a classroom. Born to survivalists in the mountains of Idaho, she prepared for the end of the world by stockpiling home-canned peaches and sleeping with her "head-for-the-hills bag." In the summer she stewed herbs for her mother, a midwife and healer, and in the winter she salvaged in her father's junkyard. The family was so isolated from mainstream society that there was no one to ensure...

Relates the story behind the founding of Facebook by a small group of Harvard University undergraduates and describes how conflicting ideas for the future of the site destroyed the friendship of co-founders Mark Zuckerberg and Eduardo Saverin.