His Dark Materials: The Subtle Knife (Book 2)

In the second volume of the His Dark Materials trilogy, Lyra Belacqua crosses into a parallel world to aid Will Parry, a boy fleeing after a murder in his own reality. Together, they navigate the spectral city of Cittàgazze, a realm haunted by soul-eating Spectres and distant angelic presences, while searching for the Subtle Knife. This weapon, capable of cutting between worlds, is central to a conspiracy involving the theft of children and the manipulation of their souls. The narrative deepens the series' exploration of dualities, as Lyra and Will uncover the devastating power of the knife and the complex moral landscape of their respective universes.

Description adapted from Open Library ↗.