It's September 1931, and Adolf Hitler's live-in niece, Geli Raubal, lies dead on the floor of his Munich apartment at No. 16 Prinzregentenplatz. With Hitler's pistol by her side, it suits the Nazis to cover it up as a suicide. This historical event forms the centrepiece for John Murray's novel in which he introduces Geli's lover, Bernard Connolly, who was in the apartment the night before. Geli was...