Mark Greaney co-wrote several Jack Ryan books with Tom Clancy, and several of them solo after Mr. Clancy passed away. But Mark started out his writing career with The Gray Man, the story of a burned CIA operative being hunted down by his former employer. We've talked about every entry into the series so far, and today we talk about the latest one, Mission Critical, which is published by Berkley. For listeners in the Memphis area, Mark Greaney will be at the bookstore novel located at 387 Perkins Extended on Saturday, February 23 at 2:00 p.m. to sign mission Critical. More information is available at novelmemphis.com/event.