Sigh. I'll own this one; my apologies. In my defense, this is what I see if I'm logged in:
What I had forgotten: about a week ago, trying to get this same book, I found a UI problem in the Axis360 UI that sometimes checks out a Blio even if you requested an epub. So, I'm already in a checked out state with this book, which is why it's pushing me toward the (useless) (checked out) Blio.