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. 6x06uKS6gGjhVXADJ113wsm7oLZ2HtN3I9Y/Da4gwLnSD1iaHa8hqz8lvzD8GxrE