<p><a href=“http://talk.collegeconfidential.com/parents-forum/1289172-big-savings-u-s-students-open-source-book-program.html[/url]”>http://talk.collegeconfidential.com/parents-forum/1289172-big-savings-u-s-students-open-source-book-program.html</a> lists some free on-line books that you can try reading if you do not like the one assigned by your instructor.</p>