Legend of Shadow High,The (Ever After High Meets Monster High ) by Shannon Hale; 2017. Hardcover (Ch-FIC)

A dangerous story is bubbling and almost all the Narrators are scared to tell it. Cracks in the World of Stories are spreading, and the ominous Shadow High is gaining power. Only one young, brave Narrator, Brooke Page, is ready to tell this tale. As the first cracks show, Frankie and Draculaura are accidentally transported to Ever After High, where they meet Raven Queen and Apple White. After the girls recover from the shock of learning that fairytales and monsters are real, they discover that the Evil Queen has escaped her mirror prison in search of the ultimate power, hidden in Shadow High. Frankie, Raven, Draculaura, Apple, and Brooke must stop the Evil Queen and save the World of Stories from the evil that lurks in Shadow High!