Product Information : His Dark Materials II: The Subtle Knife - Philip Pullman
Manufacturer's product description
The second book in the "Dark Materials" trilogy. Will is 12 years old and he's just killed a man. Determined to discover the truth about his father's disappearance, he steps through a window into another world. There, he meets a girl called Lyra who, like himself, is on a mission.
His Dark Materials II: The Subtle Knife, The Subtle Knife (His Dark Materials)