Elon Musk, the renowned entrepreneur and innovator behind SpaceX, Tesla, and SolarCity, sold one of his internet companies, PayPal, for $1.5 billion. Ashlee Vance captures the full spectacle and arc of the genius's life and work, from his tumultuous upbringing in South Africa and flight to the United States to his dramatic technical innovations and entrepreneurial pursuits. Vance uses Musk's story to explore one of the pressing questions of our age:...