If Spook Street is where spies live, Joe Country is where they go to die. Like the ringing of a dead man’s phone, or an unwelcome guest at a funeral . . . In Slough House memories are stirring, all of them bad. Catherine Standish is buying booze again, Louisa Guy is raking over the ashes of lost love, and new recruit Lech Wicinski, whose sins make him an outcast even among the slow horses, is d...