best prep book for SAT II US hist.....

Test Preparation
1

<p>I was wondering if anyone could suggest the best prep book for the SAT II US History. I studied Sparknotes for the Oct. SATII and still thought the test was really hard. There seemed to be a lot of material that the sparknotes said wasn't important. Any suggestions???</p>

2

<p>SAT II US History for Dummies</p>

3

<p>most people will recommend AMSCO or REA</p>

4

<p>thanks guys....</p>

<p>i'm not familiar with the different books, what are AMSCO and REA?</p>