JIM ROGERS cofounded the Quantum Fund and retired at age thirty-seven. Since then he has served as a sometime professor of finance at Columbia University's business school, and as a media commentator worldwide. In 2007, he moved his family to Singapore in the belief that the 21st century will be the century of Asia. Rogers is the author of the bestsellers Investment Biker, Adventure Capitalist, Hot Commodities, A Gift to My Children, and A Bull in China.