Cheapest place for AP and SAT 2 review books?

<p>Would my local Border's, Barnes & Nobles, or amazon.com be the cheapest?</p>

<p>Amazon's cheaper for me</p>

<p>half.com is cheapest for me</p>

<p>if you are going to buy from Barnes and Nobles then just buy it online, much cheaper and you even get free shipping for 25$+ (Which is really easy to reach..)</p>