http://www.calpirg.org/in-the-news/affordable-higher-education/affordable-higher-education-in-the-news http://www.calpirg.org/in-the-news/affordable-higher-education/affordable-higher-education-in-the-news/free-digital-texts-begin-to-challenge-costly-college-textbooks-in-california http://www.calpirg.org/in-the-news/affordable-higher-education/affordable-higher-education-in-the-news/free-digital-texts-begin-to-challenge-costly-college-textbooks-in-california Tue, 19 Aug 2008 20:08:08 -0500