<p>The official [College</a> Board website](<a href=“Supporting Students from Day One to Exam Day – AP Central | College Board”>Supporting Students from Day One to Exam Day – AP Central | College Board) has many released free-response questions.</p>
<p>[SparkNotes[/url</a>] has some useful stuff.</p>
<p>And then there’s [url=<a href=“http://www.course-notes.org/]Course”>http://www.course-notes.org/]Course</a> Notes](<a href=“SparkNotes: Today's Most Popular Study Guides”>SparkNotes: Today's Most Popular Study Guides), which also has some useful note-based material.</p>
<p>In combination with an actual course, these resources should be pretty good preparation for the exams.</p>