[Margaret K. McElderry Books] “A haunted house thriller packed with cryptic mystery, dark humor, and bone-chilling twists.” —Ryan Douglass, New York Times bestselling author of The Taking of Jake Livingston The Haunting of Hill House meets Sadie in this “genuinely terrifying” (School Library Journal, starred review) psychological thriller following two teen girls navigating the treacherous past of a mysterious mansion ten years apart. Daisy sees dead people—something impossible to forget in bustling, ghost-packed Toronto. She usually manages to deal with her unwanted ability, but she’s completely unprepared to be dumped by her boyfriend. So when her mother inherits a secluded mansion in northern Ontario where she spent her childhood summers, Daisy jumps at the chance to escape. But the house is nothing like Daisy expects, and she begins to realize that her experience with the supernatural might be no match for her mother’s secrets, nor what lurks within these walls… A dec