To learn more about the musician's business philosophy, we took a look at the 2009 book "The 50th Law," a collaboration between 50 Cent and popular author Robert Greene, who wrote "The 48 Laws of ...

The 48 Laws of Power by Robert Greene is a self-help book that teaches ... so renowned that it has been purchased by the likes of 50 Cent, Jay-Z, Busta Rhymes, Michael Jackson, Courtney Love ...