On the Baltic Sea, no one can hear you scream. Tonight, twelve hundred expectant passengers have joined the booze-cruise between Sweden and Finland. The creaking old ship travels this same route, back and forth, every day of the year. But this trip is going to be different. In the middle of the night the ferry is suddenly cut off from the outside world. There is nowhere to escape. There is no way to contact the mainland. And no one knows who they can trust. Welcome aboard the Baltic Charisma. It has been quite a while since I’ve read any proper stomach-churning horror, so when I heard about Blood Cruise by Mats Strandberg I was immediately sold. Chaos, death and destruction on a booze cruise. What could be better? The premise of the novel is deliciously simple. Hundreds of people are trapped on a slightly dated, rundown cruise liner with a creature who views humanity, and more specifically warm human blood, as a tasty treat. I firmly believe the best horror exists in a vacuum; isolation always ramps up the sense of tension. Once underway, the Baltic Charisma is entirely closed off from the rest of the world. This choice of…