Please Help!!

<p>i know this question has been asked like a hundred times but I still didnt find a solid answer.</p>

<p>My question: what is the best prep book for SAT II American History and Chemistry?</p>

<p>Please answer. I need to to good on the tests...</p>

<p>kaplan,...............</p>

<p>for both American Hist. and Chem?</p>