<p>'Astonishing... In the American journalist Andrew Nagorski this tale has found its ideal narrator'<br>SEBASTIAN FAULKS, Sunday Times<br><br><br>'[A] thrilling book, as edge-of-your-seat gripping as any heist movie'<br>Kathryn Hughes, Guardian Book of the Day<br>'A gripping masterpiece'<br>BRETT KAHR, Freud Museum London<br><br><br>March 1938: German soldiers are massing on the Austrian border, on the cusp of fulfi...