Way back in the mists of time, in the days when rock giants walked the earth, the name Ozzy Osbourne was synonymous with subversive and dark. Back then, Ozzy was the singer in Black Sabbath, and they meant business. In an era when it seemed possible to measure a band's musical prowess by how 'heavy' they were, they didn't come any weightier than Black Sabbath. This biography tells the story of how they made that dream come true - and how it then turned into a nightmare for all of them.