Lars Kepler

"Late one night, outside Stockholm, an emaciated young man named Mikael is found wandering. Thirteen years earlier, he went missing along with his younger sister. They were long thought to have been victims of Sweden's most notorious serial killer, Jurek Walter, currently serving a life sentence in a maximum-security psychiatric hospital. Now Mikael tells the police that his sister is still alive and being held by someone he knows only as the Sandman....

An international sensation, The Hypnotist is set to appear in thirty-seven countries, and it has landed at the top of bestseller lists wherever it's been published—in France, Holland, Germany, Spain, Italy, Denmark. Now it's America's turn. Combining the addictive power of Stieg Larsson's Millennium trilogy with the storytelling drive of The Silence of the Lambs, this adrenaline-drenched thriller is spellbinding from its very first page.

Tumba,

...

When a medium contacts the police department with claims about a murder at a rural home for wayward girls, detective Joona Linna investigates bizarre clues only to find himself confronting more violent truths and a figure from his past.

"A stranger wearing a mask stands in the shadow of a garden. He's watching his first victim through the window. He will kill him slowly, make it last play him a nursery rhyme make him pay. There's only one person the police can turn to ex-Detective Joona Linna but he's serving time in a high-security prison. So they offer him a chance to secure his freedom: help Superintendent Saga Bauer track down the vicious killer known as the Rabbit Hunter, before...