"Tess Rosenbloom is used to living in the dark. She's a trauma survivor and chronic insomniac, the night manager of a chic Brooklyn hotel who spends her free time reading Blood Feud, a massively popular book series about two warring clans of vampires trapped on a mysterious Isle. Tess even dabbles in online conspiracies theorizing that the world of Blood Feud is real - it's fun to hunt for clues! But deep down, Tess doesn't believe vampires actually...