<p>''Jackson''s hero is the natural heir to Bernie Gunther'' <strong>Andrew Taylor</strong>, <em>Sunday Times</em> bestselling author of <em>The Ashes of London</em></p><p>''One of the UK¿s finest crime writers¿ <strong>Ben Kane</strong>, <em>Sunday Times</em> bestselling author of <em>Napoleon¿s Spy</em></p><p>''A remarkable crime debut'' <strong>Maxim Jakubowksi</strong>, <em>Crime Time</em></p><h2>As the Nazis roll into Warsaw, a serial killer is unleashed¿</h2><p>September 1939. A city ruled by fear. A population brutalised by restrictions and reprisals. Amid the devastation, another hunter begins to prowl. What are a few more deaths amid scores of daily executions?</p><p>Former chief investigator Jan Kalisz lives a dangerous double life, forced to work with the occupiers as he gathers information for the fledgling Polish resistance. Even his family cannot be told his true allegiance.</p><p>When the niece of a Wehrmacht general is found terribly mutilated, Jan links the murder to o