Be so subtle that you are invisible. Be so mysterious that you are intangible. Then you will control your rivals's fate'
Sun Tzu, from The Art of War
For 2,000 years, China's merchants and adventurers have fled tyrannical dynasties to make their fortunes in other countries. Seagrave reveals for the first time the invisible empire of the Overseas Chinese, how it controls some adopted countries, and how it is tightly knit by...