So I got At the Mountains of Madness. Here's the link: javascript:void(0);/*1270910017772*/
They delivered quickly, and there are still some left in stock. The list of packs will say "3 days", but it did that when I ordered too. If you're desperate to get that pack, there's at least that place
Warning: European prices. Don't buy before converting to YOUR currency. Your wallet may vary.