Go to the end game:
Turn all of the marker switches up. Go to the dock and turn the lever down and a sheet will appear (if you don't know how to go to the clock tower then turn the big handle 8 times and the small handle 2 times). Go to the chimney and access diagram 158 and the chimney will turn so you are facing a book. Enter the book and gave the page to the person you'll meet. The end.