<p>I am trying to start studying for the AP Exam and I have bought Barron's How to Prepare for the AP World History Exam, Princeton Review's Cracking the AP World History Exam, and CliffsAP: World History. Which AP World History prep book do you think I should use?</p>
<p>Barron's is very good. And doesn't really over prepare you like other Barron's books.</p>