<p>US History:
REA's AP US history Test Prep
Kaplan SAT Subject TEst 2005-2006 edition US History</p>
<p>Biology:
Princeton Review Cracking the AP Biology Exam 2004-2005 edition
Cliffnotes AP Biology
Cracking the SAT Biolgy E/M Subject Tests Princeton Review</p>
<p>How are all these for studying. I suppose if I get an AP review book its actually preparing me for both tests since SAT II's are for standard level....anyways does the edition really matter?</p>