Confronted by this lavishly endorsed book — ‘compelling’ (David Lodge), ‘gripping’(John le Carré),‘thrilling’ (Jonathan Freedland) — I felt depressed. Two weeks ago, the New York Times’s savvy London correspondent accused the British of being obsessed with the Nazis. This might appear a case of pots and kettles: not for nothing did America’s widely watched History Channel become known as the Hitler Channel.