"The Girl Who Lived" is a novel by Christopher Greyson that follows the story of Hannah who survives a brutal attack that kills her family. Struggling with trauma and guilt, she becomes determined to uncover the truth behind the tragedy. As Hannah investigates, she faces numerous challenges and dangers, leading her to confront not only the mystery of her family's murder but also her own inner demons. The story explores themes of resilience, survival, and the quest for justice, making it a gripping psychological thriller.