I’ve been having a lot of trouble with the Bowker website. Now I’ve found this article about the cost of ISBN’s. Is the rise in price a way to weed out indy publishers? Or just the cost of publishing books?

I’ve been having a lot of trouble with the Bowker website. Now I’ve found this article about the cost of ISBN’s. Is the rise in price a way to weed out indy publishers? Or just the cost of publishing books?