I especially liked it when at the end, they begged for their lives: when they did that - and they all did that, eventually - I would pretend to hesitate and see in their eyes the glimmer of a faint, final, desperate hope. You see, Dr Kosarek, it was at that moment that they would feel the presence of the Devil and beg God to come and deliver them from him. And it was at that moment that I made them see - that they finally realized - that God had been there all along. It was then they realized that the Devil is just God in his night attire. From international bestselling author Craig Russell comes a modern Gothic masterpiece:Six confined monsters. A killer on the loose.1935. As Europe prepares itself for a calamitous war, six homicidal maniacs - 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 Kosarek, a young psychiatrist using revolutionary techniques, is tasked with unlocking their murderous secrets. At the same time, a terrifying, demonic killer known as 'Leather Apron' is butchering victims across Prague. Successfully eluding capture, it would seem his depraved crimes are committed by the Devil himself.Maybe they are... and what links him with the insane inmates of the Castle of the Eagles?Only the Devil knows. And it is up to Viktor to find out.