In March 2003 I wondered here whether print media (in my hypo, the New York Times), could utilize a ‘shrink-wrap’ license, that is to say whether it could print licensing terms on that nice blue bag it comes in, or perhaps on its front page, by which it attempted to extend the statutory protection of its contents (perhaps claiming protection in its various factual compilations).
Well, now the Librarian and Information Science News reports that some reference books are now being sold in shrink wraps. Via CopyFight.
If you wanted to look into this issue, one place to start would be to Google Pro CD, Inc. v. Zeidenberg.