The Subtle Knife is the second part of the trilogy that began with The Golden Compass . That first book was set in a world like ours, but different. This book begins in our own world. I+Y+v+pNHL21o6/7hOuvIUTEbTnGXNTYyu0g1XbklK8d9mcYhVMJMYMoORzWqg3C