<p>i have a long time to study for the sat IIs (chem and us hist in may and math IIC in june) and am currently taking AP US History, AP Chemistry, and Honors Precalculus. What are the best books for the following subject tests if one can devote a large amount of time to them and is looking for a 750+?</p>
<p>united states history?
chemistry?
math level IIC?</p>