Originally Posted by pdurrant
If the success of your publications really is measured in the hundreds, then I'd suggest that you look into social DRM. Set up a work-flow so that you customise each and every ebook you sell for that customer - big visible well-designed bookplate at the beginning, giving customers name, a scanned signature of the author, a serial number for the book, date date purchase, etc. Encode other information invisibly throughout the book (if an ePub there are all sorts of ways to do that.). Make a mention that any piracy of a book can and will be traced back to the original purchaser.
That I'm completely on board with. But it's difficult for a third party to make a living on the back of something as simple and effective as that.