It begins with a nursery rhyme. Nineteen minutes later you die...The sixth gripping thriller in Lars Kepler's bestselling series featuring Joona Linna. Perfect for fans of Stieg Larsson and Jo Nesbo.There's a face at the window.A masked stranger stands in the shadow of a garden, watching his first victim through the window. He will kill him slowly - play him a nursery rhyme - make him pay.A killer in your house.The police offer ex-Detective Joona Linna a chance to clear his name: help Superintendent Saga Bauer track down the vicious killer terrorising Stockholm, before he strikes again.Only one man can stop him.Now Joona stands between a disturbed predator and its prey. He must catch a killer who hunts in the shadows and who is dangerously close to losing control...