Twilight - Breaking Dawn by Stephenie Meyer. This is the fourth and final book in the Twilight Saga. Bella and Edward are now married and trying to adjust to their new lives. But their happiness is short-lived, as Bella soon discovers she is pregnant. The pregnancy is fraught with danger, and Bella must face the ultimate choice: her own life or the life of her child. This is the story of love, sacrifice, and the ultimate battle between good and evil.