"The Immortal Rules Series" is a young adult fantasy series written by Julie Kagawa. It follows the story of Allison Sekemoto, a girl living in a dystopian world where vampires rule over humans. After a life-changing encounter, she becomes a vampire herself, struggling with her new identity while navigating the dangers of her world. The series explores themes of survival, morality, and the nature of humanity. It consists of four books: "The Immortal Rules," "The Eternity Cure," "The Forever Song," and a novella titled "The Immortal Rules: The Short Story." Each installment delves deeper into the conflict between humans and vampires.