Let me just say this: I am really horrible at self-promotion.
It's mostly intentional, and sometimes I forget to even tell friends about things. For example, tonight I had at email asking about a book that got a mention in Sherlock Holmes Magazine. So, in answering friend Joe, I figured I might as well explain it to anyone who might bump into that reference. Here's the book:
Two hundred and twenty-one signed and numbered copies, all in paperback except for twenty-five hardcover copies especially for the people who put on and worked at 221B Con. With a few rare exceptions, any remaining copies (a few unsigned and numbered beyond the 221, I was surprised to find) stayed with the 221B Con crew.
So at this point, I sure don't have any extras to dispense, as it was 221B Con's book all along. They even have the rights to it, if that ever becomes useful or worth reprinting decades from now. And that was kind of the point -- lately, with publish-on-demand and Amazon, some books will never become collectable or a challenge to find. Some books will just be there, and not be something that marks a special moment in time, which is, truly, each and every 221B Con.
So, yep, I came out with another book this spring and really didn't promote it outside of waving it in the face of every person I could in the dealer's room at con. (Including walking the whole dealer's room and giving one to each of the dealers, because they might not be likely to leave their tables.)
And really, that's about as much promotional energy as I've ever had. Except to now say, copies are out there, and I'm sure someone has dumped one on their local used bookseller already. Keep your eyes open.