50 Cent is getting ready to release his new book with Jeff O'Connell titled Formula 50. In the book, 50 details his six-week workout plan that will help you get brolic. He also touches on mental toughness, and how to stay in shape for a lifetime. The book drops December 27. Check the cover above.

Also, listen to an interview with 50 below, where he talks about the new book, his Freelancers movie, and his upcoming Street King Immortal album, which he says will feature Eminem, Chris Brown, Trey Songz, Ne-Yo, and more.

Listen: 50 Cent interview with Eric The Funky 1

[via XclusivesZone]