Which book to use for AP Stats/US History?

Test Preparation AP Test Preparation
2

<p>See posts #6 and #10 of this thread:</p>

<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&lt;/a&gt;&lt;/p&gt;