In fact, kinda humorous. A couple of years ago, had a birthday party. Yes, and I gave a copy of my book to the birthday fellow. Most of the folks there looked at it and one remarked, Oh, we (at work) all bought it.
Well, what folks I am sure do not know or do not think about, is yes, I know exactly how many books I've sold. Yep, and know the exact day that they are sold. And, even know what part of the country they were sold.
Hmmm. Nope, those folks ain't bought no books.
Here's a link that has a few sample stories.