Will is the bearer of the subtle knife. He has promised his dying father that he will deliver the terrible blade to Lord Asriel. War is coming, the greatest war there has ever been, and the knife is the only weapon that can defeat the enemy. A stranger in a world that is not his own, Will sets out on a perilous journey. But how can he fulfil his promise when Lyra, his brave companion, has disappeared...?

More than anything else in the world, Lila wants to be a Firework-Maker. But every Firework-Maker must make a perilous journey to face the terrifying Fire-Fiend! Can Lila possibly survive? Especially when she doesn't know she needs special protection to survive his flames... The exciting and heart-warming story of Lila's journey to face the fearful fire demon fizzes with fun and drama.