''A masterclass in suspenseful character-driven prose fiction. Simply exceptional'' Frank Darabont writer and director of The Shawshank Redemption and The Green Mile ''The best twist I have ever read'' (Michael Ridpath author of Traitor''s Gate) ''Breathtaking'' (Daily Mail) ''Wildly entertaining. truly frightening'' (New York Times) _____________ How do you find a killer when you''re surrounded by madness? 1935. 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 Kosárek a young psychiatrist using revolutionary techniques is tasked with unlocking their murderous secrets. At the same time a terrifying 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. _____________ ''Deep dark and twisty. a gripping masterpiece of a thriller '' Alex Grecian New York Times bestselling author of The Yard ''Elegant edgy ingenious'' A. J. Finn New York Times bestselling author of The Woman in the Window ''Drags you into its dark world kicking and screaming. gets under your skin slowly then goes deep like the tip of a butcher knife'' New York Times ''Sensational . twists are jaw-dropping . a mind-blowing story line that will appeal to fans of Caleb Carr and Thomas Harris'' Publishers Weekly '' A thrilling twisting trip through the darkest corridors of the human mind'' Daniel H. Wilson New York Times bestselling author of Robopocalypse ''A tour de force: a clever and visceral thriller'' Lincoln Child New York Times bestselling author ''Dark stylish and packed with jaw-dropping twists. an astonishing piece of work'' M. W. Craven author of The Puppet Show ''A superior thriller at once stylish absorbing and compulsive'' Laura Carlin author of The Wicked Cometh ''Well-crafted gothic crime. smart atmospheric'' Kirkus Reviews ''A Gothic masterpiece in psychological horror and creeping dread '' Neil Broadfoot author of No Man''s Land ''Deliciously authentic and darkly atmospheric'' Graham Smith author of Death in the Lakes . Language: English