They're still available on eBay in the larger anthologies like Six By Seuss. It's only the standalone that were removed and as I understand it that was because

They're still available on eBay in the larger anthologies like Six By Seuss. It's only the standalone that were removed and as I understand it that was because of the crazy bids they were getting. I assume they wouldn't have bothered if the reaction hadn't been so extreme.