By the author of the international Number One bestsellers KILLERS OF THE FLOWER MOON and THE WAGER ‘Chilling . . . Poignant . . . Haunting and gripping . . . gets into worlds that are otherwise invisible to us’Daily MailA Polish detective tries to determine whether an author planted clues to a real murder in his post-modern novelAn arson investigator races to prove whether a man about to be executed is innocentScientists stalk a sea monster … In this engrossing collection, David Grann sets out to unravel the truth of twelve great, real-life mysteries. Each of these mesmerising stories is true; the protagonists are mortal and pieces of the puzzle often elude them. Some of the characters are driven by deception and murder. Others go mad. After all, as Holmes puts it, ‘Life is infinitely stranger than anything which the mind of man could invent.’