The Subtle Knife (His Dark Materials, #2)

by Philip Pullman

And did you intervene in human evolution? Yes. Why? Vengeance. Vengeance for – oh! Rebel angels! After the war in Heaven – Satan and the garden of Eden – but it isn’t true, is it? Is that what you – but why? Find the girl and the boy. Waste no more time. You must play the serpent.