'A stunning spy story ... incomparable' GuardianIt is the most dangerous secret of the Second World War, one that could destroy Britain's reputation forever.In 1940, a clandestine meeting took place between Churchill and Adolf Hitler.All records of it have been hidden, and anyone who discovers the truth dies - their file stamped XPD; Expedient Demise.But now what was buried is threatening to come to light, and SIS agent Boyd Stuart must stop it falling into the wrong hands, no matter how high the price. 'Deliciously sharp and flawlessly accurate dialogue, breathtakingly clever plotting ... a splendidly strongly told story' The Times