A special edition hardback of the million-copy bestselling TikTok sensation One Dark Window - the dark, lushly gothic fantasy about a maiden who must unleash the monster within to save her kingdom. 'One Dark Window is enthralling from beginning to shocking end' Hannah Whitten, bestselling author of For the Wolf ELSPETH NEEDS A MONSTER. THE MONSTER MIGHT BE HER. An ancient, mercurial spirit is trapped inside Elspeth Spindle's head - she calls him the Nightmare. He protects her. He keeps her secrets. But nothing comes for free, especially magic.