<p>This isn't only about whether they're better or not, I want to know if anyone looked at both prep books and what the important differences are, such as the practice tests and etc. I'm quite sure I'll do good on the test using either one but I want to make a safe bet.</p>
<p>P.S. Is it almost a guarantee that I'll get 770+ taking the SATII Bio test right after the AP's if I'm at the level get a 5 on the AP test?</p>