As was said before, it seems to have been published some time ago, but just isn't available anywhere. Not even a sniff of one on eBay.
http://www.amazon.co.uk/Autodrome-lo...tag=incepin-21
I think Sam has a secret stash so they can increase in value and sell for the prices that the original Autodrome now fetches........
http://www.amazon.co.uk/Autodrome-Lo...tag=incepin-21
I've asked Sam for an update.