Pre-order Yrsa Sigurdardottir's next book, GALLOWS ROCK, now!'Yrsa is a magnificent writer' Karin Slaughter'The queen of Icelandic thriller writers' Guardian A chilling note written by a thirteen-year-old predicting the deaths of six people is found in a time capsule, ten years after it was buried. Can it be a real threat?Detective Huldar turns to psychologist Freyja to help understand the child who hid the message. But the discovery of the letter coincides with a string of