Release Dates for SAT books?

<p>Can someone tell me if these are the most current books out there or are they coming out with new editions?</p>

<p>Barrons SAT subject Chem: 2007</p>

<p>PR SAT subject chem: Feb. 2007</p>

<p>I need to know as soon as possible. I have this american express that expires at the end of this month…</p>

<p>bump…bump</p>