What about this link? It's displaying the Kindle version clearly in the browser for me, so maybe it's a browser issue. Very strange.

http://www.amazon.com/gp/aw/d/B0150SA57Y/ref=tmm_kin_title_0?ie=UTF8&qid=&sr=

That's weird, I just checked again with Chrome, it's there

Maybe it's US only for some reason?