The death of Steve Jobs left a gaping void at one of the most innovative companies of all time. Jobs wasn't merely Apple's iconic founder and CEO; he was the living embodiment of a global megabrand. It was hard to imagine that anyone could fill his shoes - especially not Tim Cook. But seven years later, as journalist Leander Kahney reveals in this definitive book, things at Apple couldn't be better. The genius who took Apple to the next level.