As someone who squees every time a favorite tv show does the obligatory Mystery At A Traveling Circus* episode, I really should read more books about the real deal. And more fiction. So, of course, the post caught my eye. (I was surprised at the lack of Geek Love, but it gets mentioned early on in the comments.)
Relatedly: How Do Sword Swallowers Swallow Swords?
*It's because of that thing I have about people coming together and creating their own family -- the theme I love so much in Vachss and De Lint. I just... love it.