best review book for ap environmental science?

<p>i need in deciding which is the best book for ap es. i need opinions please. right now i have barrons and idk if i want to keep it or return it for a different one.</p>

<p>lol, i know its been almost 2 years, but for those who see this post, the most recommended APES review books are:</p>

<p>-Smartypants Guide to AP Environmental Science
-Princeton Review</p>

<p>Highly recommended to get both, one or the other if first is not possible</p>