Keri B.
Google
Very interesting tour, a little on the expensive side, but I didn't mind paying for it. The tour guide is great, very knowledgable, you visit a couple of secret rooms on the floor that didn't exist and you also get to use both balconies facing in opposite directions to get a good view of the city.
I don't think it said in the booking that the meeting place is the left side of the hotel lobby, there's a desk with the google map marker and the word "here"