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. 8mvubhE9sMfYLgU5Y2mHLocCrAShBzTpT3nrFUhyjxxQl6gqg2H9jmJVYD3vEdmW