Tons of fun!
For the price of the book and postage you can feel like you are right there. The Professor sips water from his plastic cup, tells you how he has a sore back and didn't sleep well and adds wryly "What for the night if not to sleep?" which he had 10 min before quoted in context from a poem!
I sometimes even wear a beret to feel student-y. I could also wear pyjama's of course.