David Bowie on "Extras"

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OK, I am usually completely unable to deal with comedy based in social discomfort, but this is pretty damned funny on several levels.

riddle me this

So Google's Book Search (beta) is open for business. What I don't get is how to search easily for books that are out of copyright, and therefore up for free and legal mashuppery. When I look for Tarzan of the Apes, it returns several volumes that have been recently printed, are therefore in copyright, and therfore do not have the full text available for reading through their service. I had heard, perhaps mistakenly, that Google offered PDFs of the full text of books outside of copyright, but I can't find anything resembling that there, though the full text is available through Project Gutenberg, as the work has been in the public domain in the USA since 1993.

It is confusing to see  works that have entered the public domain listed as protected in Google's book search. Am I using it the wrong way or missing something obvious?

By the way, fuck Sonny Bono right in is dead, I Can't Ski To Save My Life, Not Comprehending the Basis for Copyright ass, and his widow and her cheap, argumentum ad misericordiam (Sonny would have wanted) "forever less one day" in her heinie as well.