If you download the entire public domain pack from Project Gutenberg in a zip file, the last time I downloaded it, it was at 29,000 books or there abouts. So yes, it could easily be done legally.
Edit: Looks like it might be up to 42,000 books now after a quick look at the site.
Last edited by Ripplinger; 12-08-2013 at 06:09 AM.
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