"Trial By Fire" is a novel by Josephine Angelini that blends elements of fantasy and romance. It follows the story of Lily Proctor, a high school girl who discovers her latent powers in a parallel universe. As she navigates this new world, she encounters a fierce battle between witches and must confront her own identity and abilities. The narrative explores themes of friendship, love, and self-discovery. Lily's journey is marked by her struggle to harness her powers while facing formidable adversaries. The novel is the first in the Worldwalker Trilogy, setting the stage for further adventures and character development.