Get the Summary of 50 Cent & Robert Greene's The 50th Law in 20 minutes. Please note: This is a summary & not the original book. Original book introduction: In The 50th Law, hip hop and pop culture icon 50 Cent (aka Curtis Jackson) joins forces with Robert Greene, best-selling author of The 48 Laws of Power, to write a "bible" for success in life and work, based on a single principle: fear nothing.