need SAT Subject tests book help

<p>I'm planning on taking Math 2, US History, and Bio. I'm taking AP Bio and AP US. will I need outside prep for the SATs? if so, what books? also, what book(s) for Math 2? thanks!</p>

<p>Kaplan for US history. New Collegeboard book, PR, and Barron's for Math ii.</p>

<p>Barrons and Kaplan for BIo also</p>