G-Unit Books  G-Unit Books is an American book publishing imprint started by rapper 50 Cent on January 4, 2007. He launched his G-Unit Books imprint at the Time Warner Building in New York. He also co-wrote "The Ski Mask Way", a novel about a small-time drug dealer who attempts to rob his employers. 50 Cent also said he was reading "The 33 Strategies of War" by Robert Greene and is currently working with the author on a book titled "The 50th Law", an urban take on "The 48 Laws of Power".