The 50th Law is a New York Times bestselling book on strategy and fearlessness written collaboratively by rapper 50 Cent and author Robert Greene. The book is a semi-autobiographical account detailing 50 Cent's rise as both a young urban hustler and as an up-and-coming musician with lessons and anecdotes from historical figures such as Abraham Lincoln, Sun Tzu, Socrates, Napoleon, Malcolm X, and James Baldwin.