The subtle knife - Philip Pullman

Will is on the run. He's killed a man and now he must flee Oxfordand
attempt to find his father-an explorer who sought the North
Pole and who never returned from his expedition. Will's search for
his father leads him to another world, where he encounters a girl
and her wildcat daemon...Lyra. After crossing the abyss between
the worlds, Lyra finds herself thrown together with Will, in a
beautiful but eerily deserted city. It is a city haunted by Spectres-soul-destro
ghostly forms that prey on adults, leaving aworld
dominated by orphaned children. But even in another world
Will cannot evade those who seek to destroy him, and thus the journey
continues-Lyra and Will's destinies are intertwined and their