ABOUT THE BOOKElon Musk is primarily known for the part he played in founding the widely known electronic money transfer site Paypal.com. Though the company been the subject of several controversies, it remains the most trusted medium for Internet commerce. These days, Musk applies the same imagination and ability to innovate that he used to make PayPal a success to his leadership of Tesla Motors, of which he is presently chairman. The small automobile manufacturer appears to be on the brink of major breakthroughs the industry, seeking to create usable, practical electric cars that can truly compete with gasoline-powered vehicles. Musk, an engineer, has played an integral part in the development of the company's flagship vehicle, the Tesla Roadster.