 NEW YORK, Oct. 5, 2021 PRNewswire -- WW International, Inc. NASDAQ:WW announced today the release of THE SHIFT: 7 Powerful Mindset Changes for Lasting Weight Loss St. Martins Press, Available as a hardcover, ebook and audiobook; Pub Date: October 5, 2021, by WWs Chief Scientific Officer Gary Foster, PhD. The new book launched today as an instant bestseller, finding its way to bestseller lists at Barnes Noble and Amazon before officially hitting bookstore shelves. 