Share 'Triumphs and disasters of launching a book'

With my launch party for my debut mystery coming up in just one week, I wonder what kind of stories veteran authors have to tell. I've attended quite a few launches in my hometown, New York City, at the Mysterious Bookshop, where my own celebration will take place, at Partners & Crime, where I truly regret not being there the night Chris Grabenstein brought in a cotton candy machine, and at...