My fiance and I took the tour at the later time slot at 10 pm and had Christie as our guide. She was very knowledgeable and very friendly. We did the extended tour with her and learned a lot. The only reason I am giving this 4/5 instead of 5/5 is because I had thought we would be going inside some of the buildings we were stopping at. This tour did not allow that and I now realize it is probably because those sites have their own tours. This being our first time to Gettysburg, I did not know you could not visit the cemetery after dark, even if you are with a tour. I had wanted to do this. No fault of the tour itself, just maybe the expectations for the tour could be described a little better. Overall great experience and I would recommend this tour!