From the acclaimed <i>Vanity Fair</i> and <i>GQ</i> journalist&#8211;an unprecedented, in-depth portrait of the man whose return to Apple precipitated one of the biggest turnarounds in business history. With a new epilogue on Apple&#8217;s future survival in today&#8217;s roller-coaster economy, here is the revealing biography that blew away the critics and stirred controversy within industry and media circles around the country.