The final days of the American presence in Afghanistan bring Adam Hayes a summons he can't ignore in the latest electrifying thriller from the world of Robert Ludlum.Adam Hayes has stepped away from the field for the last time. He's promised his wife that he won't put his life on the line any more, and there's nothing that will make him break a promise to his wife.Well...almost nothing. With America withdrawing from Afghanistan and the Taliban closing in, Abdul Nassir reached out to his old frie...