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by autoexec 1348 days ago
> It is free so if you download it (and the solutions) and you find that it doesn't suit then no harm done.

Not entirely free. It does seem to require you to give an email address to OpenIntro. I'm guessing they send a download link there, but the site does promise to spam you, keep your data indefinitely, and share (read sell) it if they decide that doing so furthers "the mission of OpenIntro"