Summary
A few months after the end of "The Amber Spyglass", a problem arises between Will's world and Lyra's world. Pantalaimon is ripped away from Lyra and thrust into Will's world, while Kirjava disappears into Lyra's. An adventure begins from there, as both Will and Lyra race to repair the rift between worlds and are forced to endure something much worse than separation.