Machiavelli has a new rival, and Sun Tzu had better watch his back -- New York TimesHollywood producers and rappers are following an unlikely but ruthless guru ? Sunday TimesTeaches you how to cheat, dissemble, feign, fight and advance your cause in the modern world. ? Independent on Sunday Biografía del autor Robert Greene, author of bestselling books including Mastery, The 48 Laws of Power and The Art of Seduction (both from Profile), has a degree in Classical Studies and has been an editor at Esquire and other magazines. He is also a playwright and lives in Los Angeles.