The doctor's first rule is "do no harm" --but rules were meant to be broken. In the heart-pounding new thriller from international bestselling author Katrine Engberg, detective Jeppe Korner hunts a killer through the city. Bodies drained of blood are found in the public fountains around Copenhagen, and the clues lead to the Butterfly House, a private mental health clinic with some shadowy practices. Is this garden-variety murder, or could it be revenge? Pick up your copy today.To learn more, go to https://bit.ly/3bi1B0t.