Mirrorland is a fictional universe created by author Carole Johnstone in her debut novel. It is a dark and twisted version of reality, where the boundaries between truth and illusion blur. The story follows the lives of two sisters, Elena and Cat, who navigate this eerie landscape filled with secrets and mysteries. In Mirrorland, the characters confront their past and the haunting memories that shape their identities. The narrative explores themes of trauma, family bonds, and the impact of choices made in a world that reflects their deepest fears and desires. The novel combines elements of psychological thriller and fantasy, captivating readers with its intricate plot.