Rupert Murdoch is one of the most notorious and successful businessmen of our age. Now, for the first time, an insider within the Murdoch empire reveals the formidable method behind the man. Irwin Stelzer, an adviser to Murdoch for 35 years, reveals what makes Rupert tick - from his love of taking risks to his mistrust of the establishment - and how he grew from humble beginnings as the owner of an Adelaide newspaper, to becoming the head of a globe-spanning enterprise worth over $50 billion.