<p>I get my books from amazon, cheaper…
I got used cliff Bio and its 5 bucks.
AP exam doesnt really change
you can search wikipedia for confirmation
ahaha I get used-like new on some of the books cuz they are half price…and no mark on pages…</p>
<p>i get mine all 2008 edition.
cuz 2009 is going to come out in december
if u want to self study those class i think u should start early…</p>