This book, to be co-written by Jeff O'Connell, editor-in-chief of Bodybuilding.com., is just the latest credit for 50 Cent as an author. He recently released the teen novel "Playground" and also ...

50 Cent teamed up with Jeff O’Connell, editor-in-chief at Bodybuilding.com, to release a book that delivers a payoff that goes beyond six-pack abs and flab-free pecs: The fitness plan ...