Message to the Unknown Fan

I was at World Con this weekend, and there was a lady who come up to me with a bag of books on Sunday, asking me for a signature. She said she had been trying to catch up with me the whole con. Unfortunately, I was about to begin a panel were I was speaking, and I dared not be rude to the paying customer seated for the panel, so I begged the lady to wait until the panel was done, when I would be more than happy to sign, and she was kind enough to agree.

I really wanted to sing whatever this fan