The Google Print Beta is available here. Publishers and libraries seem to hate it. I wonder how much more effective/different it is from CiteSeer.
They are really aiming high: "Google's mission is to organize the world's information, but much of that information isn't yet online. Google Print aims to get it there by putting book content where you can find it most easily - right in your Google search results."
I am waiting for the threats to melt your computer down if you dare use another search engine. :-)