<p><b><font>''</b><b>A masterclass in suspenseful, character-driven prose fiction. Simply exceptional''</b><br>Frank Darabont, writer and director of <i>The Shawshank Redemption</i> and <i>The Green Mile</i><br><br><b>''</b><b>The best twist I have ever read''</b> (Michael Ridpath, author of <i>Traitor''s Gate</i>)<br><br><b>''Breathtaking''</b><br>(<i>Daily Mail</i>)<br><br><b>''Wildly entertaining . . . truly frightening''<br></b>(<i>New York Times</i>)</font><br>_____________<br><br><b>How do you find a killer when you''re surrounded by madness?</b><br><br><b>1935.</b> As Europe prepares itself for a calamitous war, six homicidal lunatics - the so-called ''Devil''s Six'' - are confined in a remote castle asylum in rural Czechoslovakia. Each patient has their own dark story to tell and Dr Viktor Kos¿k, a young psychiatrist using revolutionary techniques, is tasked with unlocking their murderous secrets. <br><br>At the same time, a terrifying killer known as ''Leather Apron'