Which One Should I take? US or World?

<p>Ok, this year I'll be taking AP Biology and AP World History (with a horrible teacher for World) I want to take the SAT II bio exam but am confused about the world history SAT II exam. I heard it's pretty hard and don;t know if I should take it, especially with a bad teacher. So should I take US History, which more people take or World History?</p>

<p>Which books should I use for each?</p>

<p>Take both, most books will have both in there; I used PR for world and got a 780, I plan to take US this fall.</p>