For Violet Hart-whose family is about to move into the house on Katydid Street-very little felt like it fit anymore. Everything seemed to be changing at once. But sometimes, Violet tells herself, change is okay. That is, until Violet sees her new room. The attic bedroom in their new house is shadowy, creaky, and wrapped in old yellow wallpaper. And then, after moving in, Violet falls ill-and does not get better. As days turn into weeks without any...