Girl of Nightmares is by Kendare Blake. The sequel to Anna Dressed in Blood. Cas is having nightmares about Anna suffering in hell. He decides he must find a way to rescue her and bring her back. Despite his mother's and his friend's misgivings he travels to England to meet with Gideon. Thomas, Carmel, and Jestine (a girl who claims to be Gideon's niece) must find a secret organization to perform the spell to allow Cas to enter hell. But this organization has a plan of their own and it may cost Cas his life. Better than the first book, if that's possible. Stephen King - look out!
Ratings: 10th grade - 10 out of 10 - P (profanity) - V (violence) - AC (mature thematic content).