A heart-wrenching YA thriller told in an advent calendar format, paced for amping up the chilling suspense!What would you do to bring your sister back from the dead?After Lucas’s sister mysteriously disappeared ten years ago, his family was torn apart. His mother has been lost in a deep depression ever since, his father has been unable to speak of what happened and Lucas has been trapped in his guilt . . . until he receives a note that changes everything. Lucas has twenty-one days to find out the truth about what happened to his sister, and save her life . . . . if she really is still alive.Every action is watched, every choice counted. Can he save his sister without losing himself?Keep the anticipation building by reading one of the twenty-four sealed chapters each day in the lead up to Christmas!