Cosmopolitan Editor-in-Chief Joanna Coles is working on a "no-nonsense" guide to some very old subjects in a very new world: sex and intimacy. Harper, an imprint of HarperCollins Publishers, told The Associated Press on Monday that it plans to release a book by Coles in 2018. Coles said in a statement issued through her publisher. "It's easier than ever to connect with people, yet studies show young women and men are lonelier than ever.