As his parents watched their restaurant business collapse in the wake of the Great Recession, Michael Sayman was googling “how to code.” Within a year, he had launched an iPhone app that was raking in thousands of dollars a month, enough to keep his family afloat. Entirely self-taught, Sayman headed from high school straight into the professional world, and by the time he was seventeen, he was Facebook’s youngest employee ever, building new features that wowed its founder Mark Zuckerberg and are now being used by more than half a billion people every day. App Kid is the galvanizing story of a young Latino, not yet old enough to drink, who excelled in the cutthroat world of Silicon Valley and went on to become an inspiration to thousands of kids everywhere by following his own surprising, extraordinary path.