<p>Japan¿s Masayoshi Son has made and lost several fortunes, investing or controlling assets worth $1trn in the past two decades through his media-tech giant, SoftBank. He bankrolled Alibaba, China¿s internet colossus, before the world had heard about it; plotted with Steve Jobs to turn the iPhone into a wonder product; and financed hundreds of tech start-ups, fuelling the biggest boom Silicon Valley has ever seen.<br><br>This book takes you on Masa¿s wild ride, from his birthplace in a Korean slum in post-war Japan to the modern-day temples of power. It speeds through Donald Trump¿s golden skyscraper in Manhattan, the royal palaces of Riyadh and the throne rooms of China¿s Marxist rulers; all places where Masa has deployed his unique blend of techno-optimism, financial engineering and insane risk-taking.<br><br>In his own words: Masa is the world¿s craziest investor. He spent billions supporting the visions of founders like WeWork¿s Adam Neumann only to lose everything. Yet, despite t