Accompanied by her daemon, Lyra Belacqua sets out to prevent her best friend and other kidnapped children from becoming the subject of gruesome experiments in the Far North.

Continues the story of the human Bella and the vampire Edward whose love is threatened by their difference, a werewolf named Jacob, and other outside influences.

Bella must choose between her friendship with Jacob and her relationship with Edward, both vampires, but when Seattle is ravaged by a mysterious string of killings, the three of them need to decide whether their personal lives are more important than the well-being of an entire city.

Eragon tries to uphold the oath he made to save Katrina from King Galbatorix, while being pulled in different directions by the needs of the Varden, elves, and dwarves--all of whom need his help and strength to overcome the tyranny of the king.