I had never heard of such a thing until a couple of months ago. I have never considered such a thing until a couple of weeks ago.
But now I have done it. Anxiously following Amazon's hints and prompts, I have taken another small step in self-promotion and set up an Amazon Giveaway of https://giveaway.amazon.com/p/4ba0b754232f5654
I hope any of my followers or anyone happening on this blog will take the opportunity to try to win a copy (the Giveaway is limited to print versions only.)
Please do let me know by comment on this blog or Twitter (@hgtjoa) if your experience was pleasant.